Home / 928,447.74-1,281,193.73-514,945.50

Finding the Fourth Proportional to 928,447.74, 1,281,193.73 and 514,945.50

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Solution

The fourth proportional to 928,447.74, 1,281,193.73 and 514,945.50 is: 710,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,447.74 : 1,281,193.73 = 514,945.50 : x
  2. Step 2: Convert to fraction form
    928,447.74/1,281,193.73 = 514,945.50/x
  3. Step 3: Cross multiply
    928,447.74x = 1,281,193.73 × 514,945.50
  4. Step 4: Simplify right side
    928,447.74x = 659,744,945,891.72
  5. Step 5: Solve for x
    x = 659,744,945,891.72/928,447.74
  6. Step 6: Final answer
    x = 710,589.21

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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.