Home / 752,136.13-1,037,948.06-412,604.38

Finding the Fourth Proportional to 752,136.13, 1,037,948.06 and 412,604.38

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Solution

The fourth proportional to 752,136.13, 1,037,948.06 and 412,604.38 is: 569,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,136.13 : 1,037,948.06 = 412,604.38 : x
  2. Step 2: Convert to fraction form
    752,136.13/1,037,948.06 = 412,604.38/x
  3. Step 3: Cross multiply
    752,136.13x = 1,037,948.06 × 412,604.38
  4. Step 4: Simplify right side
    752,136.13x = 428,261,908,515.74
  5. Step 5: Solve for x
    x = 428,261,908,515.74/752,136.13
  6. Step 6: Final answer
    x = 569,394.15

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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.