Home / 1,238,020.55-1,708,446.70-694,154.65

Finding the Fourth Proportional to 1,238,020.55, 1,708,446.70 and 694,154.65

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Solution

The fourth proportional to 1,238,020.55, 1,708,446.70 and 694,154.65 is: 957,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,020.55 : 1,708,446.70 = 694,154.65 : x
  2. Step 2: Convert to fraction form
    1,238,020.55/1,708,446.70 = 694,154.65/x
  3. Step 3: Cross multiply
    1,238,020.55x = 1,708,446.70 × 694,154.65
  4. Step 4: Simplify right side
    1,238,020.55x = 1,185,926,221,082.16
  5. Step 5: Solve for x
    x = 1,185,926,221,082.16/1,238,020.55
  6. Step 6: Final answer
    x = 957,921.27

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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.