Home / 723,751.40-1,085,627.10-616,442.60

Finding the Fourth Proportional to 723,751.40, 1,085,627.10 and 616,442.60

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Solution

The fourth proportional to 723,751.40, 1,085,627.10 and 616,442.60 is: 924,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,751.40 : 1,085,627.10 = 616,442.60 : x
  2. Step 2: Convert to fraction form
    723,751.40/1,085,627.10 = 616,442.60/x
  3. Step 3: Cross multiply
    723,751.40x = 1,085,627.10 × 616,442.60
  4. Step 4: Simplify right side
    723,751.40x = 669,226,792,154.46
  5. Step 5: Solve for x
    x = 669,226,792,154.46/723,751.40
  6. Step 6: Final answer
    x = 924,663.90

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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.