Home / 754,270.80-1,131,406.20-586,309.20

Finding the Fourth Proportional to 754,270.80, 1,131,406.20 and 586,309.20

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Solution

The fourth proportional to 754,270.80, 1,131,406.20 and 586,309.20 is: 879,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,270.80 : 1,131,406.20 = 586,309.20 : x
  2. Step 2: Convert to fraction form
    754,270.80/1,131,406.20 = 586,309.20/x
  3. Step 3: Cross multiply
    754,270.80x = 1,131,406.20 × 586,309.20
  4. Step 4: Simplify right side
    754,270.80x = 663,353,863,997.04
  5. Step 5: Solve for x
    x = 663,353,863,997.04/754,270.80
  6. Step 6: Final answer
    x = 879,463.80

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Double scale
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Similar ratio
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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.