Home / 811,995.10-1,218,115.59-589,037.92

Finding the Fourth Proportional to 811,995.10, 1,218,115.59 and 589,037.92

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Solution

The fourth proportional to 811,995.10, 1,218,115.59 and 589,037.92 is: 883,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,995.10 : 1,218,115.59 = 589,037.92 : x
  2. Step 2: Convert to fraction form
    811,995.10/1,218,115.59 = 589,037.92/x
  3. Step 3: Cross multiply
    811,995.10x = 1,218,115.59 × 589,037.92
  4. Step 4: Simplify right side
    811,995.10x = 717,516,273,453.17
  5. Step 5: Solve for x
    x = 717,516,273,453.17/811,995.10
  6. Step 6: Final answer
    x = 883,646.06

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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.