Home / 755,753.76-1,042,987.32-416,221.92

Finding the Fourth Proportional to 755,753.76, 1,042,987.32 and 416,221.92

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Solution

The fourth proportional to 755,753.76, 1,042,987.32 and 416,221.92 is: 574,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,753.76 : 1,042,987.32 = 416,221.92 : x
  2. Step 2: Convert to fraction form
    755,753.76/1,042,987.32 = 416,221.92/x
  3. Step 3: Cross multiply
    755,753.76x = 1,042,987.32 × 416,221.92
  4. Step 4: Simplify right side
    755,753.76x = 434,114,184,866.05
  5. Step 5: Solve for x
    x = 434,114,184,866.05/755,753.76
  6. Step 6: Final answer
    x = 574,412.21

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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.