Home / 1,011,557.20-1,396,148.20-603,454.78

Finding the Fourth Proportional to 1,011,557.20, 1,396,148.20 and 603,454.78

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Solution

The fourth proportional to 1,011,557.20, 1,396,148.20 and 603,454.78 is: 832,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,557.20 : 1,396,148.20 = 603,454.78 : x
  2. Step 2: Convert to fraction form
    1,011,557.20/1,396,148.20 = 603,454.78/x
  3. Step 3: Cross multiply
    1,011,557.20x = 1,396,148.20 × 603,454.78
  4. Step 4: Simplify right side
    1,011,557.20x = 842,512,304,878.40
  5. Step 5: Solve for x
    x = 842,512,304,878.40/1,011,557.20
  6. Step 6: Final answer
    x = 832,886.47

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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.