Home / 827,472.95-1,241,209.49-266,507.45

Finding the Fourth Proportional to 827,472.95, 1,241,209.49 and 266,507.45

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Solution

The fourth proportional to 827,472.95, 1,241,209.49 and 266,507.45 is: 399,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,472.95 : 1,241,209.49 = 266,507.45 : x
  2. Step 2: Convert to fraction form
    827,472.95/1,241,209.49 = 266,507.45/x
  3. Step 3: Cross multiply
    827,472.95x = 1,241,209.49 × 266,507.45
  4. Step 4: Simplify right side
    827,472.95x = 330,791,568,557.12
  5. Step 5: Solve for x
    x = 330,791,568,557.12/827,472.95
  6. Step 6: Final answer
    x = 399,761.19

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Double scale
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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.