Home / 1,061,948.72-1,589,179.80-662,776.40

Finding the Fourth Proportional to 1,061,948.72, 1,589,179.80 and 662,776.40

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Solution

The fourth proportional to 1,061,948.72, 1,589,179.80 and 662,776.40 is: 991,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,948.72 : 1,589,179.80 = 662,776.40 : x
  2. Step 2: Convert to fraction form
    1,061,948.72/1,589,179.80 = 662,776.40/x
  3. Step 3: Cross multiply
    1,061,948.72x = 1,589,179.80 × 662,776.40
  4. Step 4: Simplify right side
    1,061,948.72x = 1,053,270,866,796.72
  5. Step 5: Solve for x
    x = 1,053,270,866,796.72/1,061,948.72
  6. Step 6: Final answer
    x = 991,828.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.