Home / 755,615.76-1,042,712.32-416,020.56

Finding the Fourth Proportional to 755,615.76, 1,042,712.32 and 416,020.56

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Solution

The fourth proportional to 755,615.76, 1,042,712.32 and 416,020.56 is: 574,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,615.76 : 1,042,712.32 = 416,020.56 : x
  2. Step 2: Convert to fraction form
    755,615.76/1,042,712.32 = 416,020.56/x
  3. Step 3: Cross multiply
    755,615.76x = 1,042,712.32 × 416,020.56
  4. Step 4: Simplify right side
    755,615.76x = 433,789,763,285.30
  5. Step 5: Solve for x
    x = 433,789,763,285.30/755,615.76
  6. Step 6: Final answer
    x = 574,087.77

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Double scale
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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.