Home / 639,253.20-882,501.09-466,977.74

Finding the Fourth Proportional to 639,253.20, 882,501.09 and 466,977.74

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Solution

The fourth proportional to 639,253.20, 882,501.09 and 466,977.74 is: 644,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,253.20 : 882,501.09 = 466,977.74 : x
  2. Step 2: Convert to fraction form
    639,253.20/882,501.09 = 466,977.74/x
  3. Step 3: Cross multiply
    639,253.20x = 882,501.09 × 466,977.74
  4. Step 4: Simplify right side
    639,253.20x = 412,108,366,761.99
  5. Step 5: Solve for x
    x = 412,108,366,761.99/639,253.20
  6. Step 6: Final answer
    x = 644,671.57

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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.