Home / 898,754.28-1,238,171.22-626,326.92

Finding the Fourth Proportional to 898,754.28, 1,238,171.22 and 626,326.92

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Solution

The fourth proportional to 898,754.28, 1,238,171.22 and 626,326.92 is: 862,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,754.28 : 1,238,171.22 = 626,326.92 : x
  2. Step 2: Convert to fraction form
    898,754.28/1,238,171.22 = 626,326.92/x
  3. Step 3: Cross multiply
    898,754.28x = 1,238,171.22 × 626,326.92
  4. Step 4: Simplify right side
    898,754.28x = 775,499,966,655.24
  5. Step 5: Solve for x
    x = 775,499,966,655.24/898,754.28
  6. Step 6: Final answer
    x = 862,860.94

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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.