Home / 865,601.10-1,298,428.16-296,974.27

Finding the Fourth Proportional to 865,601.10, 1,298,428.16 and 296,974.27

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Solution

The fourth proportional to 865,601.10, 1,298,428.16 and 296,974.27 is: 445,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,601.10 : 1,298,428.16 = 296,974.27 : x
  2. Step 2: Convert to fraction form
    865,601.10/1,298,428.16 = 296,974.27/x
  3. Step 3: Cross multiply
    865,601.10x = 1,298,428.16 × 296,974.27
  4. Step 4: Simplify right side
    865,601.10x = 385,599,753,460.17
  5. Step 5: Solve for x
    x = 385,599,753,460.17/865,601.10
  6. Step 6: Final answer
    x = 445,470.50

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1.5x scale

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.