Home / 1,000,142.53-1,380,185.91-541,246.95

Finding the Fourth Proportional to 1,000,142.53, 1,380,185.91 and 541,246.95

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Solution

The fourth proportional to 1,000,142.53, 1,380,185.91 and 541,246.95 is: 746,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,142.53 : 1,380,185.91 = 541,246.95 : x
  2. Step 2: Convert to fraction form
    1,000,142.53/1,380,185.91 = 541,246.95/x
  3. Step 3: Cross multiply
    1,000,142.53x = 1,380,185.91 × 541,246.95
  4. Step 4: Simplify right side
    1,000,142.53x = 747,021,414,220.47
  5. Step 5: Solve for x
    x = 747,021,414,220.47/1,000,142.53
  6. Step 6: Final answer
    x = 746,914.96

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1.5x scale

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.