Home / 1,251,125.06-1,726,555.50-678,162.64

Finding the Fourth Proportional to 1,251,125.06, 1,726,555.50 and 678,162.64

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Solution

The fourth proportional to 1,251,125.06, 1,726,555.50 and 678,162.64 is: 935,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,125.06 : 1,726,555.50 = 678,162.64 : x
  2. Step 2: Convert to fraction form
    1,251,125.06/1,726,555.50 = 678,162.64/x
  3. Step 3: Cross multiply
    1,251,125.06x = 1,726,555.50 × 678,162.64
  4. Step 4: Simplify right side
    1,251,125.06x = 1,170,885,435,986.52
  5. Step 5: Solve for x
    x = 1,170,885,435,986.52/1,251,125.06
  6. Step 6: Final answer
    x = 935,866.02

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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.