Home / 903,266.07-1,246,643.72-516,162.96

Finding the Fourth Proportional to 903,266.07, 1,246,643.72 and 516,162.96

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Solution

The fourth proportional to 903,266.07, 1,246,643.72 and 516,162.96 is: 712,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,266.07 : 1,246,643.72 = 516,162.96 : x
  2. Step 2: Convert to fraction form
    903,266.07/1,246,643.72 = 516,162.96/x
  3. Step 3: Cross multiply
    903,266.07x = 1,246,643.72 × 516,162.96
  4. Step 4: Simplify right side
    903,266.07x = 643,471,309,999.80
  5. Step 5: Solve for x
    x = 643,471,309,999.80/903,266.07
  6. Step 6: Final answer
    x = 712,382.91

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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.