Home / 922,002.79-1,272,332.41-508,555.95

Finding the Fourth Proportional to 922,002.79, 1,272,332.41 and 508,555.95

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Solution

The fourth proportional to 922,002.79, 1,272,332.41 and 508,555.95 is: 701,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,002.79 : 1,272,332.41 = 508,555.95 : x
  2. Step 2: Convert to fraction form
    922,002.79/1,272,332.41 = 508,555.95/x
  3. Step 3: Cross multiply
    922,002.79x = 1,272,332.41 × 508,555.95
  4. Step 4: Simplify right side
    922,002.79x = 647,052,221,458.20
  5. Step 5: Solve for x
    x = 647,052,221,458.20/922,002.79
  6. Step 6: Final answer
    x = 701,789.87

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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.