Home / 747,633.24-1,031,733.52-408,101.49

Finding the Fourth Proportional to 747,633.24, 1,031,733.52 and 408,101.49

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Solution

The fourth proportional to 747,633.24, 1,031,733.52 and 408,101.49 is: 563,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,633.24 : 1,031,733.52 = 408,101.49 : x
  2. Step 2: Convert to fraction form
    747,633.24/1,031,733.52 = 408,101.49/x
  3. Step 3: Cross multiply
    747,633.24x = 1,031,733.52 × 408,101.49
  4. Step 4: Simplify right side
    747,633.24x = 421,051,985,774.69
  5. Step 5: Solve for x
    x = 421,051,985,774.69/747,633.24
  6. Step 6: Final answer
    x = 563,179.86

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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.