Home / 1,154,729.61-1,593,498.51-638,469.90

Finding the Fourth Proportional to 1,154,729.61, 1,593,498.51 and 638,469.90

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Solution

The fourth proportional to 1,154,729.61, 1,593,498.51 and 638,469.90 is: 881,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,729.61 : 1,593,498.51 = 638,469.90 : x
  2. Step 2: Convert to fraction form
    1,154,729.61/1,593,498.51 = 638,469.90/x
  3. Step 3: Cross multiply
    1,154,729.61x = 1,593,498.51 × 638,469.90
  4. Step 4: Simplify right side
    1,154,729.61x = 1,017,400,834,329.85
  5. Step 5: Solve for x
    x = 1,017,400,834,329.85/1,154,729.61
  6. Step 6: Final answer
    x = 881,072.79

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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.