Home / 1,251,122.06-1,726,551.36-678,159.64

Finding the Fourth Proportional to 1,251,122.06, 1,726,551.36 and 678,159.64

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Solution

The fourth proportional to 1,251,122.06, 1,726,551.36 and 678,159.64 is: 935,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,122.06 : 1,726,551.36 = 678,159.64 : x
  2. Step 2: Convert to fraction form
    1,251,122.06/1,726,551.36 = 678,159.64/x
  3. Step 3: Cross multiply
    1,251,122.06x = 1,726,551.36 × 678,159.64
  4. Step 4: Simplify right side
    1,251,122.06x = 1,170,877,448,739.11
  5. Step 5: Solve for x
    x = 1,170,877,448,739.11/1,251,122.06
  6. Step 6: Final answer
    x = 935,861.88

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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.