Home / 955,354.28-1,431,108.07-442,296.23

Finding the Fourth Proportional to 955,354.28, 1,431,108.07 and 442,296.23

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Solution

The fourth proportional to 955,354.28, 1,431,108.07 and 442,296.23 is: 662,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,354.28 : 1,431,108.07 = 442,296.23 : x
  2. Step 2: Convert to fraction form
    955,354.28/1,431,108.07 = 442,296.23/x
  3. Step 3: Cross multiply
    955,354.28x = 1,431,108.07 × 442,296.23
  4. Step 4: Simplify right side
    955,354.28x = 632,973,695,822.30
  5. Step 5: Solve for x
    x = 632,973,695,822.30/955,354.28
  6. Step 6: Final answer
    x = 662,553.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.