Home / 930,402.76-1,283,952.18-522,447.88

Finding the Fourth Proportional to 930,402.76, 1,283,952.18 and 522,447.88

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Solution

The fourth proportional to 930,402.76, 1,283,952.18 and 522,447.88 is: 720,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,402.76 : 1,283,952.18 = 522,447.88 : x
  2. Step 2: Convert to fraction form
    930,402.76/1,283,952.18 = 522,447.88/x
  3. Step 3: Cross multiply
    930,402.76x = 1,283,952.18 × 522,447.88
  4. Step 4: Simplify right side
    930,402.76x = 670,798,094,462.38
  5. Step 5: Solve for x
    x = 670,798,094,462.38/930,402.76
  6. Step 6: Final answer
    x = 720,976.04

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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.