Home / 769,488.56-1,061,343.48-540,097.04

Finding the Fourth Proportional to 769,488.56, 1,061,343.48 and 540,097.04

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Solution

The fourth proportional to 769,488.56, 1,061,343.48 and 540,097.04 is: 744,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,488.56 : 1,061,343.48 = 540,097.04 : x
  2. Step 2: Convert to fraction form
    769,488.56/1,061,343.48 = 540,097.04/x
  3. Step 3: Cross multiply
    769,488.56x = 1,061,343.48 × 540,097.04
  4. Step 4: Simplify right side
    769,488.56x = 573,228,471,971.30
  5. Step 5: Solve for x
    x = 573,228,471,971.30/769,488.56
  6. Step 6: Final answer
    x = 744,947.36

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1.5x scale

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.