Home / 566,082.59-781,192.81-311,433.17

Finding the Fourth Proportional to 566,082.59, 781,192.81 and 311,433.17

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Solution

The fourth proportional to 566,082.59, 781,192.81 and 311,433.17 is: 429,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,082.59 : 781,192.81 = 311,433.17 : x
  2. Step 2: Convert to fraction form
    566,082.59/781,192.81 = 311,433.17/x
  3. Step 3: Cross multiply
    566,082.59x = 781,192.81 × 311,433.17
  4. Step 4: Simplify right side
    566,082.59x = 243,289,353,199.51
  5. Step 5: Solve for x
    x = 243,289,353,199.51/566,082.59
  6. Step 6: Final answer
    x = 429,777.13

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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.