Home / 578,541.66-868,372.23-279,232.93

Finding the Fourth Proportional to 578,541.66, 868,372.23 and 279,232.93

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Solution

The fourth proportional to 578,541.66, 868,372.23 and 279,232.93 is: 419,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,541.66 : 868,372.23 = 279,232.93 : x
  2. Step 2: Convert to fraction form
    578,541.66/868,372.23 = 279,232.93/x
  3. Step 3: Cross multiply
    578,541.66x = 868,372.23 × 279,232.93
  4. Step 4: Simplify right side
    578,541.66x = 242,478,122,113.53
  5. Step 5: Solve for x
    x = 242,478,122,113.53/578,541.66
  6. Step 6: Final answer
    x = 419,119.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.