Home / 911,733.01-1,366,512.51-424,761.92

Finding the Fourth Proportional to 911,733.01, 1,366,512.51 and 424,761.92

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Solution

The fourth proportional to 911,733.01, 1,366,512.51 and 424,761.92 is: 636,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,733.01 : 1,366,512.51 = 424,761.92 : x
  2. Step 2: Convert to fraction form
    911,733.01/1,366,512.51 = 424,761.92/x
  3. Step 3: Cross multiply
    911,733.01x = 1,366,512.51 × 424,761.92
  4. Step 4: Simplify right side
    911,733.01x = 580,442,482,633.68
  5. Step 5: Solve for x
    x = 580,442,482,633.68/911,733.01
  6. Step 6: Final answer
    x = 636,636.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.