Home / 1,011,850.72-1,396,382.16-559,170.88

Finding the Fourth Proportional to 1,011,850.72, 1,396,382.16 and 559,170.88

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Solution

The fourth proportional to 1,011,850.72, 1,396,382.16 and 559,170.88 is: 771,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,850.72 : 1,396,382.16 = 559,170.88 : x
  2. Step 2: Convert to fraction form
    1,011,850.72/1,396,382.16 = 559,170.88/x
  3. Step 3: Cross multiply
    1,011,850.72x = 1,396,382.16 × 559,170.88
  4. Step 4: Simplify right side
    1,011,850.72x = 780,816,241,223.50
  5. Step 5: Solve for x
    x = 780,816,241,223.50/1,011,850.72
  6. Step 6: Final answer
    x = 771,671.38

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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.