Home / 905,724.01-1,249,932.01-497,856.88

Finding the Fourth Proportional to 905,724.01, 1,249,932.01 and 497,856.88

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Solution

The fourth proportional to 905,724.01, 1,249,932.01 and 497,856.88 is: 687,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,724.01 : 1,249,932.01 = 497,856.88 : x
  2. Step 2: Convert to fraction form
    905,724.01/1,249,932.01 = 497,856.88/x
  3. Step 3: Cross multiply
    905,724.01x = 1,249,932.01 × 497,856.88
  4. Step 4: Simplify right side
    905,724.01x = 622,287,251,961.98
  5. Step 5: Solve for x
    x = 622,287,251,961.98/905,724.01
  6. Step 6: Final answer
    x = 687,060.57

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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.