Home / 1,005,969.98-1,388,247.90-547,088.88

Finding the Fourth Proportional to 1,005,969.98, 1,388,247.90 and 547,088.88

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Solution

The fourth proportional to 1,005,969.98, 1,388,247.90 and 547,088.88 is: 754,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,969.98 : 1,388,247.90 = 547,088.88 : x
  2. Step 2: Convert to fraction form
    1,005,969.98/1,388,247.90 = 547,088.88/x
  3. Step 3: Cross multiply
    1,005,969.98x = 1,388,247.90 × 547,088.88
  4. Step 4: Simplify right side
    1,005,969.98x = 759,494,988,773.35
  5. Step 5: Solve for x
    x = 759,494,988,773.35/1,005,969.98
  6. Step 6: Final answer
    x = 754,987.73

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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.