Home / 866,294.87-1,299,531.41-327,005.37

Finding the Fourth Proportional to 866,294.87, 1,299,531.41 and 327,005.37

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Solution

The fourth proportional to 866,294.87, 1,299,531.41 and 327,005.37 is: 490,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,294.87 : 1,299,531.41 = 327,005.37 : x
  2. Step 2: Convert to fraction form
    866,294.87/1,299,531.41 = 327,005.37/x
  3. Step 3: Cross multiply
    866,294.87x = 1,299,531.41 × 327,005.37
  4. Step 4: Simplify right side
    866,294.87x = 424,953,747,918.65
  5. Step 5: Solve for x
    x = 424,953,747,918.65/866,294.87
  6. Step 6: Final answer
    x = 490,541.69

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1.5x scale

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.