Home / 752,521.80-1,127,033.10-514,576.20

Finding the Fourth Proportional to 752,521.80, 1,127,033.10 and 514,576.20

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Solution

The fourth proportional to 752,521.80, 1,127,033.10 and 514,576.20 is: 770,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,521.80 : 1,127,033.10 = 514,576.20 : x
  2. Step 2: Convert to fraction form
    752,521.80/1,127,033.10 = 514,576.20/x
  3. Step 3: Cross multiply
    752,521.80x = 1,127,033.10 × 514,576.20
  4. Step 4: Simplify right side
    752,521.80x = 579,944,409,872.22
  5. Step 5: Solve for x
    x = 579,944,409,872.22/752,521.80
  6. Step 6: Final answer
    x = 770,667.92

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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.