Home / 1,236,158.64-1,855,187.28-553,257.36

Finding the Fourth Proportional to 1,236,158.64, 1,855,187.28 and 553,257.36

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Solution

The fourth proportional to 1,236,158.64, 1,855,187.28 and 553,257.36 is: 830,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,158.64 : 1,855,187.28 = 553,257.36 : x
  2. Step 2: Convert to fraction form
    1,236,158.64/1,855,187.28 = 553,257.36/x
  3. Step 3: Cross multiply
    1,236,158.64x = 1,855,187.28 × 553,257.36
  4. Step 4: Simplify right side
    1,236,158.64x = 1,026,396,016,838.38
  5. Step 5: Solve for x
    x = 1,026,396,016,838.38/1,236,158.64
  6. Step 6: Final answer
    x = 830,310.92

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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.