Home / 579,523.20-869,284.80-549,998.70

Finding the Fourth Proportional to 579,523.20, 869,284.80 and 549,998.70

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Solution

The fourth proportional to 579,523.20, 869,284.80 and 549,998.70 is: 824,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,523.20 : 869,284.80 = 549,998.70 : x
  2. Step 2: Convert to fraction form
    579,523.20/869,284.80 = 549,998.70/x
  3. Step 3: Cross multiply
    579,523.20x = 869,284.80 × 549,998.70
  4. Step 4: Simplify right side
    579,523.20x = 478,105,509,929.76
  5. Step 5: Solve for x
    x = 478,105,509,929.76/579,523.20
  6. Step 6: Final answer
    x = 824,998.05

Related Problems

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Half scale
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Double scale
Find fourth proportional to 579,524.20, 869,286.30 and 549,999.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.