Home / 754,111.45-1,040,680.58-409,948.04

Finding the Fourth Proportional to 754,111.45, 1,040,680.58 and 409,948.04

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Solution

The fourth proportional to 754,111.45, 1,040,680.58 and 409,948.04 is: 565,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,111.45 : 1,040,680.58 = 409,948.04 : x
  2. Step 2: Convert to fraction form
    754,111.45/1,040,680.58 = 409,948.04/x
  3. Step 3: Cross multiply
    754,111.45x = 1,040,680.58 × 409,948.04
  4. Step 4: Simplify right side
    754,111.45x = 426,624,964,589.02
  5. Step 5: Solve for x
    x = 426,624,964,589.02/754,111.45
  6. Step 6: Final answer
    x = 565,731.98

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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.