Home / 526,607.31-726,715.08-284,889.18

Finding the Fourth Proportional to 526,607.31, 726,715.08 and 284,889.18

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Solution

The fourth proportional to 526,607.31, 726,715.08 and 284,889.18 is: 393,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,607.31 : 726,715.08 = 284,889.18 : x
  2. Step 2: Convert to fraction form
    526,607.31/726,715.08 = 284,889.18/x
  3. Step 3: Cross multiply
    526,607.31x = 726,715.08 × 284,889.18
  4. Step 4: Simplify right side
    526,607.31x = 207,033,263,234.83
  5. Step 5: Solve for x
    x = 207,033,263,234.83/526,607.31
  6. Step 6: Final answer
    x = 393,145.44

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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.