Home / 757,542.06-1,045,507.77-527,950.80

Finding the Fourth Proportional to 757,542.06, 1,045,507.77 and 527,950.80

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Solution

The fourth proportional to 757,542.06, 1,045,507.77 and 527,950.80 is: 728,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,542.06 : 1,045,507.77 = 527,950.80 : x
  2. Step 2: Convert to fraction form
    757,542.06/1,045,507.77 = 527,950.80/x
  3. Step 3: Cross multiply
    757,542.06x = 1,045,507.77 × 527,950.80
  4. Step 4: Simplify right side
    757,542.06x = 551,976,663,577.72
  5. Step 5: Solve for x
    x = 551,976,663,577.72/757,542.06
  6. Step 6: Final answer
    x = 728,641.61

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1.5x scale

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.