Home / 639,253.40-882,501.32-466,977.94

Finding the Fourth Proportional to 639,253.40, 882,501.32 and 466,977.94

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Solution

The fourth proportional to 639,253.40, 882,501.32 and 466,977.94 is: 644,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,253.40 : 882,501.32 = 466,977.94 : x
  2. Step 2: Convert to fraction form
    639,253.40/882,501.32 = 466,977.94/x
  3. Step 3: Cross multiply
    639,253.40x = 882,501.32 × 466,977.94
  4. Step 4: Simplify right side
    639,253.40x = 412,108,647,422.07
  5. Step 5: Solve for x
    x = 412,108,647,422.07/639,253.40
  6. Step 6: Final answer
    x = 644,671.82

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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.