Home / 1,085,557.20-1,628,044.20-454,340.40

Finding the Fourth Proportional to 1,085,557.20, 1,628,044.20 and 454,340.40

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Solution

The fourth proportional to 1,085,557.20, 1,628,044.20 and 454,340.40 is: 681,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,557.20 : 1,628,044.20 = 454,340.40 : x
  2. Step 2: Convert to fraction form
    1,085,557.20/1,628,044.20 = 454,340.40/x
  3. Step 3: Cross multiply
    1,085,557.20x = 1,628,044.20 × 454,340.40
  4. Step 4: Simplify right side
    1,085,557.20x = 739,686,253,045.68
  5. Step 5: Solve for x
    x = 739,686,253,045.68/1,085,557.20
  6. Step 6: Final answer
    x = 681,388.56

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1.5x scale

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.