Home / 1,557,757.60-2,336,713.20-811,261.60

Finding the Fourth Proportional to 1,557,757.60, 2,336,713.20 and 811,261.60

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Solution

The fourth proportional to 1,557,757.60, 2,336,713.20 and 811,261.60 is: 1,216,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,757.60 : 2,336,713.20 = 811,261.60 : x
  2. Step 2: Convert to fraction form
    1,557,757.60/2,336,713.20 = 811,261.60/x
  3. Step 3: Cross multiply
    1,557,757.60x = 2,336,713.20 × 811,261.60
  4. Step 4: Simplify right side
    1,557,757.60x = 1,895,685,689,373.12
  5. Step 5: Solve for x
    x = 1,895,685,689,373.12/1,557,757.60
  6. Step 6: Final answer
    x = 1,216,932.40

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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.