Home / 526,437.06-726,483.18-284,719.57

Finding the Fourth Proportional to 526,437.06, 726,483.18 and 284,719.57

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Solution

The fourth proportional to 526,437.06, 726,483.18 and 284,719.57 is: 392,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,437.06 : 726,483.18 = 284,719.57 : x
  2. Step 2: Convert to fraction form
    526,437.06/726,483.18 = 284,719.57/x
  3. Step 3: Cross multiply
    526,437.06x = 726,483.18 × 284,719.57
  4. Step 4: Simplify right side
    526,437.06x = 206,843,974,989.42
  5. Step 5: Solve for x
    x = 206,843,974,989.42/526,437.06
  6. Step 6: Final answer
    x = 392,913.02

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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.