Home / 716,951.20-1,074,130.80-417,186.40

Finding the Fourth Proportional to 716,951.20, 1,074,130.80 and 417,186.40

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Solution

The fourth proportional to 716,951.20, 1,074,130.80 and 417,186.40 is: 625,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,951.20 : 1,074,130.80 = 417,186.40 : x
  2. Step 2: Convert to fraction form
    716,951.20/1,074,130.80 = 417,186.40/x
  3. Step 3: Cross multiply
    716,951.20x = 1,074,130.80 × 417,186.40
  4. Step 4: Simplify right side
    716,951.20x = 448,112,761,581.12
  5. Step 5: Solve for x
    x = 448,112,761,581.12/716,951.20
  6. Step 6: Final answer
    x = 625,025.47

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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.