Home / 942,957.10-1,301,279.81-513,236.20

Finding the Fourth Proportional to 942,957.10, 1,301,279.81 and 513,236.20

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Solution

The fourth proportional to 942,957.10, 1,301,279.81 and 513,236.20 is: 708,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,957.10 : 1,301,279.81 = 513,236.20 : x
  2. Step 2: Convert to fraction form
    942,957.10/1,301,279.81 = 513,236.20/x
  3. Step 3: Cross multiply
    942,957.10x = 1,301,279.81 × 513,236.20
  4. Step 4: Simplify right side
    942,957.10x = 667,863,902,885.12
  5. Step 5: Solve for x
    x = 667,863,902,885.12/942,957.10
  6. Step 6: Final answer
    x = 708,265.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.