Home / 936,150.32-1,291,882.20-506,429.12

Finding the Fourth Proportional to 936,150.32, 1,291,882.20 and 506,429.12

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Solution

The fourth proportional to 936,150.32, 1,291,882.20 and 506,429.12 is: 698,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,150.32 : 1,291,882.20 = 506,429.12 : x
  2. Step 2: Convert to fraction form
    936,150.32/1,291,882.20 = 506,429.12/x
  3. Step 3: Cross multiply
    936,150.32x = 1,291,882.20 × 506,429.12
  4. Step 4: Simplify right side
    936,150.32x = 654,246,765,689.66
  5. Step 5: Solve for x
    x = 654,246,765,689.66/936,150.32
  6. Step 6: Final answer
    x = 698,869.35

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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.