Home / 432,857.30-649,285.95-283,558.10

Finding the Fourth Proportional to 432,857.30, 649,285.95 and 283,558.10

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Solution

The fourth proportional to 432,857.30, 649,285.95 and 283,558.10 is: 425,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,857.30 : 649,285.95 = 283,558.10 : x
  2. Step 2: Convert to fraction form
    432,857.30/649,285.95 = 283,558.10/x
  3. Step 3: Cross multiply
    432,857.30x = 649,285.95 × 283,558.10
  4. Step 4: Simplify right side
    432,857.30x = 184,110,290,338.70
  5. Step 5: Solve for x
    x = 184,110,290,338.70/432,857.30
  6. Step 6: Final answer
    x = 425,337.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.