Home / 1,000,936.68-1,381,236.84-565,443.38

Finding the Fourth Proportional to 1,000,936.68, 1,381,236.84 and 565,443.38

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Solution

The fourth proportional to 1,000,936.68, 1,381,236.84 and 565,443.38 is: 780,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,936.68 : 1,381,236.84 = 565,443.38 : x
  2. Step 2: Convert to fraction form
    1,000,936.68/1,381,236.84 = 565,443.38/x
  3. Step 3: Cross multiply
    1,000,936.68x = 1,381,236.84 × 565,443.38
  4. Step 4: Simplify right side
    1,000,936.68x = 781,011,231,439.58
  5. Step 5: Solve for x
    x = 781,011,231,439.58/1,000,936.68
  6. Step 6: Final answer
    x = 780,280.36

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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.