Home / 705,632.61-1,053,116.40-637,531.53

Finding the Fourth Proportional to 705,632.61, 1,053,116.40 and 637,531.53

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Solution

The fourth proportional to 705,632.61, 1,053,116.40 and 637,531.53 is: 951,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,632.61 : 1,053,116.40 = 637,531.53 : x
  2. Step 2: Convert to fraction form
    705,632.61/1,053,116.40 = 637,531.53/x
  3. Step 3: Cross multiply
    705,632.61x = 1,053,116.40 × 637,531.53
  4. Step 4: Simplify right side
    705,632.61x = 671,394,909,760.09
  5. Step 5: Solve for x
    x = 671,394,909,760.09/705,632.61
  6. Step 6: Final answer
    x = 951,479.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.