Home / 563,102.84-777,082.20-308,455.04

Finding the Fourth Proportional to 563,102.84, 777,082.20 and 308,455.04

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Solution

The fourth proportional to 563,102.84, 777,082.20 and 308,455.04 is: 425,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,102.84 : 777,082.20 = 308,455.04 : x
  2. Step 2: Convert to fraction form
    563,102.84/777,082.20 = 308,455.04/x
  3. Step 3: Cross multiply
    563,102.84x = 777,082.20 × 308,455.04
  4. Step 4: Simplify right side
    563,102.84x = 239,694,921,084.29
  5. Step 5: Solve for x
    x = 239,694,921,084.29/563,102.84
  6. Step 6: Final answer
    x = 425,668.11

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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.