Home / 936,520.49-1,292,398.24-506,800.61

Finding the Fourth Proportional to 936,520.49, 1,292,398.24 and 506,800.61

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Solution

The fourth proportional to 936,520.49, 1,292,398.24 and 506,800.61 is: 699,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,520.49 : 1,292,398.24 = 506,800.61 : x
  2. Step 2: Convert to fraction form
    936,520.49/1,292,398.24 = 506,800.61/x
  3. Step 3: Cross multiply
    936,520.49x = 1,292,398.24 × 506,800.61
  4. Step 4: Simplify right side
    936,520.49x = 654,988,216,394.93
  5. Step 5: Solve for x
    x = 654,988,216,394.93/936,520.49
  6. Step 6: Final answer
    x = 699,384.82

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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.