Home / 653,823.10-980,734.65-233,112.70

Finding the Fourth Proportional to 653,823.10, 980,734.65 and 233,112.70

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Solution

The fourth proportional to 653,823.10, 980,734.65 and 233,112.70 is: 349,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,823.10 : 980,734.65 = 233,112.70 : x
  2. Step 2: Convert to fraction form
    653,823.10/980,734.65 = 233,112.70/x
  3. Step 3: Cross multiply
    653,823.10x = 980,734.65 × 233,112.70
  4. Step 4: Simplify right side
    653,823.10x = 228,621,702,245.06
  5. Step 5: Solve for x
    x = 228,621,702,245.06/653,823.10
  6. Step 6: Final answer
    x = 349,669.05

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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.