Home / 558,209.20-837,313.80-553,543.60

Finding the Fourth Proportional to 558,209.20, 837,313.80 and 553,543.60

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Solution

The fourth proportional to 558,209.20, 837,313.80 and 553,543.60 is: 830,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,209.20 : 837,313.80 = 553,543.60 : x
  2. Step 2: Convert to fraction form
    558,209.20/837,313.80 = 553,543.60/x
  3. Step 3: Cross multiply
    558,209.20x = 837,313.80 × 553,543.60
  4. Step 4: Simplify right side
    558,209.20x = 463,489,695,181.68
  5. Step 5: Solve for x
    x = 463,489,695,181.68/558,209.20
  6. Step 6: Final answer
    x = 830,315.40

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Double scale
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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.