Home / 526,439.22-726,486.10-284,721.81

Finding the Fourth Proportional to 526,439.22, 726,486.10 and 284,721.81

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Solution

The fourth proportional to 526,439.22, 726,486.10 and 284,721.81 is: 392,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,439.22 : 726,486.10 = 284,721.81 : x
  2. Step 2: Convert to fraction form
    526,439.22/726,486.10 = 284,721.81/x
  3. Step 3: Cross multiply
    526,439.22x = 726,486.10 × 284,721.81
  4. Step 4: Simplify right side
    526,439.22x = 206,846,437,331.84
  5. Step 5: Solve for x
    x = 206,846,437,331.84/526,439.22
  6. Step 6: Final answer
    x = 392,916.09

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1.5x scale

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.