Home / 1,005,932.33-1,391,842.02-877,139.37

Finding the Fourth Proportional to 1,005,932.33, 1,391,842.02 and 877,139.37

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Solution

The fourth proportional to 1,005,932.33, 1,391,842.02 and 877,139.37 is: 1,213,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,932.33 : 1,391,842.02 = 877,139.37 : x
  2. Step 2: Convert to fraction form
    1,005,932.33/1,391,842.02 = 877,139.37/x
  3. Step 3: Cross multiply
    1,005,932.33x = 1,391,842.02 × 877,139.37
  4. Step 4: Simplify right side
    1,005,932.33x = 1,220,839,432,562.33
  5. Step 5: Solve for x
    x = 1,220,839,432,562.33/1,005,932.33
  6. Step 6: Final answer
    x = 1,213,639.72

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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.