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Finding the Fourth Proportional to 895,711.72, 1,234,641.48 and 605,232.56

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Solution

The fourth proportional to 895,711.72, 1,234,641.48 and 605,232.56 is: 834,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,711.72 : 1,234,641.48 = 605,232.56 : x
  2. Step 2: Convert to fraction form
    895,711.72/1,234,641.48 = 605,232.56/x
  3. Step 3: Cross multiply
    895,711.72x = 1,234,641.48 × 605,232.56
  4. Step 4: Simplify right side
    895,711.72x = 747,245,215,936.30
  5. Step 5: Solve for x
    x = 747,245,215,936.30/895,711.72
  6. Step 6: Final answer
    x = 834,247.45

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Double scale
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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.