Home / 626,644.98-861,444.90-539,110.31

Finding the Fourth Proportional to 626,644.98, 861,444.90 and 539,110.31

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Solution

The fourth proportional to 626,644.98, 861,444.90 and 539,110.31 is: 741,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,644.98 : 861,444.90 = 539,110.31 : x
  2. Step 2: Convert to fraction form
    626,644.98/861,444.90 = 539,110.31/x
  3. Step 3: Cross multiply
    626,644.98x = 861,444.90 × 539,110.31
  4. Step 4: Simplify right side
    626,644.98x = 464,413,822,779.70
  5. Step 5: Solve for x
    x = 464,413,822,779.70/626,644.98
  6. Step 6: Final answer
    x = 741,111.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.