Home / 755,785.76-1,043,031.48-416,253.92

Finding the Fourth Proportional to 755,785.76, 1,043,031.48 and 416,253.92

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Solution

The fourth proportional to 755,785.76, 1,043,031.48 and 416,253.92 is: 574,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,785.76 : 1,043,031.48 = 416,253.92 : x
  2. Step 2: Convert to fraction form
    755,785.76/1,043,031.48 = 416,253.92/x
  3. Step 3: Cross multiply
    755,785.76x = 1,043,031.48 × 416,253.92
  4. Step 4: Simplify right side
    755,785.76x = 434,165,942,233.40
  5. Step 5: Solve for x
    x = 434,165,942,233.40/755,785.76
  6. Step 6: Final answer
    x = 574,456.37

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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.