Home / 840,919.85-1,160,105.33-514,247.14

Finding the Fourth Proportional to 840,919.85, 1,160,105.33 and 514,247.14

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Solution

The fourth proportional to 840,919.85, 1,160,105.33 and 514,247.14 is: 709,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,919.85 : 1,160,105.33 = 514,247.14 : x
  2. Step 2: Convert to fraction form
    840,919.85/1,160,105.33 = 514,247.14/x
  3. Step 3: Cross multiply
    840,919.85x = 1,160,105.33 × 514,247.14
  4. Step 4: Simplify right side
    840,919.85x = 596,580,846,436.61
  5. Step 5: Solve for x
    x = 596,580,846,436.61/840,919.85
  6. Step 6: Final answer
    x = 709,438.42

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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.