Home / 1,612,532.39-2,418,803.55-398,109.15

Finding the Fourth Proportional to 1,612,532.39, 2,418,803.55 and 398,109.15

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Solution

The fourth proportional to 1,612,532.39, 2,418,803.55 and 398,109.15 is: 597,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,532.39 : 2,418,803.55 = 398,109.15 : x
  2. Step 2: Convert to fraction form
    1,612,532.39/2,418,803.55 = 398,109.15/x
  3. Step 3: Cross multiply
    1,612,532.39x = 2,418,803.55 × 398,109.15
  4. Step 4: Simplify right side
    1,612,532.39x = 962,947,825,307.48
  5. Step 5: Solve for x
    x = 962,947,825,307.48/1,612,532.39
  6. Step 6: Final answer
    x = 597,164.95

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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.