Home / 1,000,139.91-1,380,182.28-541,244.31

Finding the Fourth Proportional to 1,000,139.91, 1,380,182.28 and 541,244.31

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Solution

The fourth proportional to 1,000,139.91, 1,380,182.28 and 541,244.31 is: 746,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,139.91 : 1,380,182.28 = 541,244.31 : x
  2. Step 2: Convert to fraction form
    1,000,139.91/1,380,182.28 = 541,244.31/x
  3. Step 3: Cross multiply
    1,000,139.91x = 1,380,182.28 × 541,244.31
  4. Step 4: Simplify right side
    1,000,139.91x = 747,015,805,812.83
  5. Step 5: Solve for x
    x = 747,015,805,812.83/1,000,139.91
  6. Step 6: Final answer
    x = 746,911.31

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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.