Home / 571,748.30-789,061.11-317,181.50

Finding the Fourth Proportional to 571,748.30, 789,061.11 and 317,181.50

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Solution

The fourth proportional to 571,748.30, 789,061.11 and 317,181.50 is: 437,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,748.30 : 789,061.11 = 317,181.50 : x
  2. Step 2: Convert to fraction form
    571,748.30/789,061.11 = 317,181.50/x
  3. Step 3: Cross multiply
    571,748.30x = 789,061.11 × 317,181.50
  4. Step 4: Simplify right side
    571,748.30x = 250,275,586,461.47
  5. Step 5: Solve for x
    x = 250,275,586,461.47/571,748.30
  6. Step 6: Final answer
    x = 437,737.35

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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.