Home / 1,016,171.92-1,524,259.02-342,196.78

Finding the Fourth Proportional to 1,016,171.92, 1,524,259.02 and 342,196.78

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Solution

The fourth proportional to 1,016,171.92, 1,524,259.02 and 342,196.78 is: 513,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,171.92 : 1,524,259.02 = 342,196.78 : x
  2. Step 2: Convert to fraction form
    1,016,171.92/1,524,259.02 = 342,196.78/x
  3. Step 3: Cross multiply
    1,016,171.92x = 1,524,259.02 × 342,196.78
  4. Step 4: Simplify right side
    1,016,171.92x = 521,596,528,860.53
  5. Step 5: Solve for x
    x = 521,596,528,860.53/1,016,171.92
  6. Step 6: Final answer
    x = 513,295.56

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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.