Home / 460,417.26-690,560.28-144,865.97

Finding the Fourth Proportional to 460,417.26, 690,560.28 and 144,865.97

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Solution

The fourth proportional to 460,417.26, 690,560.28 and 144,865.97 is: 217,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,417.26 : 690,560.28 = 144,865.97 : x
  2. Step 2: Convert to fraction form
    460,417.26/690,560.28 = 144,865.97/x
  3. Step 3: Cross multiply
    460,417.26x = 690,560.28 × 144,865.97
  4. Step 4: Simplify right side
    460,417.26x = 100,038,681,352.87
  5. Step 5: Solve for x
    x = 100,038,681,352.87/460,417.26
  6. Step 6: Final answer
    x = 217,278.30

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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.