Home / 639,252.65-882,500.31-466,977.17

Finding the Fourth Proportional to 639,252.65, 882,500.31 and 466,977.17

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Solution

The fourth proportional to 639,252.65, 882,500.31 and 466,977.17 is: 644,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,252.65 : 882,500.31 = 466,977.17 : x
  2. Step 2: Convert to fraction form
    639,252.65/882,500.31 = 466,977.17/x
  3. Step 3: Cross multiply
    639,252.65x = 882,500.31 × 466,977.17
  4. Step 4: Simplify right side
    639,252.65x = 412,107,492,875.42
  5. Step 5: Solve for x
    x = 412,107,492,875.42/639,252.65
  6. Step 6: Final answer
    x = 644,670.77

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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.