Home / 936,641.45-1,292,565.22-506,921.58

Finding the Fourth Proportional to 936,641.45, 1,292,565.22 and 506,921.58

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Solution

The fourth proportional to 936,641.45, 1,292,565.22 and 506,921.58 is: 699,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,641.45 : 1,292,565.22 = 506,921.58 : x
  2. Step 2: Convert to fraction form
    936,641.45/1,292,565.22 = 506,921.58/x
  3. Step 3: Cross multiply
    936,641.45x = 1,292,565.22 × 506,921.58
  4. Step 4: Simplify right side
    936,641.45x = 655,229,201,916.19
  5. Step 5: Solve for x
    x = 655,229,201,916.19/936,641.45
  6. Step 6: Final answer
    x = 699,551.79

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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.