Home / 936,500.98-1,292,374.76-506,781.06

Finding the Fourth Proportional to 936,500.98, 1,292,374.76 and 506,781.06

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Solution

The fourth proportional to 936,500.98, 1,292,374.76 and 506,781.06 is: 699,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,500.98 : 1,292,374.76 = 506,781.06 : x
  2. Step 2: Convert to fraction form
    936,500.98/1,292,374.76 = 506,781.06/x
  3. Step 3: Cross multiply
    936,500.98x = 1,292,374.76 × 506,781.06
  4. Step 4: Simplify right side
    936,500.98x = 654,951,050,790.05
  5. Step 5: Solve for x
    x = 654,951,050,790.05/936,500.98
  6. Step 6: Final answer
    x = 699,359.71

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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.