Home / 558,871.11-771,325.17-329,355.01

Finding the Fourth Proportional to 558,871.11, 771,325.17 and 329,355.01

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Solution

The fourth proportional to 558,871.11, 771,325.17 and 329,355.01 is: 454,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,871.11 : 771,325.17 = 329,355.01 : x
  2. Step 2: Convert to fraction form
    558,871.11/771,325.17 = 329,355.01/x
  3. Step 3: Cross multiply
    558,871.11x = 771,325.17 × 329,355.01
  4. Step 4: Simplify right side
    558,871.11x = 254,039,808,807.68
  5. Step 5: Solve for x
    x = 254,039,808,807.68/558,871.11
  6. Step 6: Final answer
    x = 454,558.85

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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.