Home / 1,766,382.69-2,437,601.13-991,905.78

Finding the Fourth Proportional to 1,766,382.69, 2,437,601.13 and 991,905.78

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Solution

The fourth proportional to 1,766,382.69, 2,437,601.13 and 991,905.78 is: 1,368,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,382.69 : 2,437,601.13 = 991,905.78 : x
  2. Step 2: Convert to fraction form
    1,766,382.69/2,437,601.13 = 991,905.78/x
  3. Step 3: Cross multiply
    1,766,382.69x = 2,437,601.13 × 991,905.78
  4. Step 4: Simplify right side
    1,766,382.69x = 2,417,870,650,181.53
  5. Step 5: Solve for x
    x = 2,417,870,650,181.53/1,766,382.69
  6. Step 6: Final answer
    x = 1,368,826.06

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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.