Home / 485,755.04-723,748.68-458,592.50

Finding the Fourth Proportional to 485,755.04, 723,748.68 and 458,592.50

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Solution

The fourth proportional to 485,755.04, 723,748.68 and 458,592.50 is: 683,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,755.04 : 723,748.68 = 458,592.50 : x
  2. Step 2: Convert to fraction form
    485,755.04/723,748.68 = 458,592.50/x
  3. Step 3: Cross multiply
    485,755.04x = 723,748.68 × 458,592.50
  4. Step 4: Simplify right side
    485,755.04x = 331,905,716,532.90
  5. Step 5: Solve for x
    x = 331,905,716,532.90/485,755.04
  6. Step 6: Final answer
    x = 683,277.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.