Home / 649,546.10-896,355.07-359,152.66

Finding the Fourth Proportional to 649,546.10, 896,355.07 and 359,152.66

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Solution

The fourth proportional to 649,546.10, 896,355.07 and 359,152.66 is: 495,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,546.10 : 896,355.07 = 359,152.66 : x
  2. Step 2: Convert to fraction form
    649,546.10/896,355.07 = 359,152.66/x
  3. Step 3: Cross multiply
    649,546.10x = 896,355.07 × 359,152.66
  4. Step 4: Simplify right side
    649,546.10x = 321,928,307,694.99
  5. Step 5: Solve for x
    x = 321,928,307,694.99/649,546.10
  6. Step 6: Final answer
    x = 495,620.42

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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.