Home / 903,930.46-1,247,115.05-516,467.86

Finding the Fourth Proportional to 903,930.46, 1,247,115.05 and 516,467.86

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Solution

The fourth proportional to 903,930.46, 1,247,115.05 and 516,467.86 is: 712,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,930.46 : 1,247,115.05 = 516,467.86 : x
  2. Step 2: Convert to fraction form
    903,930.46/1,247,115.05 = 516,467.86/x
  3. Step 3: Cross multiply
    903,930.46x = 1,247,115.05 × 516,467.86
  4. Step 4: Simplify right side
    903,930.46x = 644,094,841,047.29
  5. Step 5: Solve for x
    x = 644,094,841,047.29/903,930.46
  6. Step 6: Final answer
    x = 712,549.11

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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.