Home / 707,121.56-1,059,282.66-618,475.16

Finding the Fourth Proportional to 707,121.56, 1,059,282.66 and 618,475.16

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Solution

The fourth proportional to 707,121.56, 1,059,282.66 and 618,475.16 is: 926,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,121.56 : 1,059,282.66 = 618,475.16 : x
  2. Step 2: Convert to fraction form
    707,121.56/1,059,282.66 = 618,475.16/x
  3. Step 3: Cross multiply
    707,121.56x = 1,059,282.66 × 618,475.16
  4. Step 4: Simplify right side
    707,121.56x = 655,140,012,628.73
  5. Step 5: Solve for x
    x = 655,140,012,628.73/707,121.56
  6. Step 6: Final answer
    x = 926,488.53

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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.