Home / 1,238,019.55-1,708,445.32-694,153.65

Finding the Fourth Proportional to 1,238,019.55, 1,708,445.32 and 694,153.65

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Solution

The fourth proportional to 1,238,019.55, 1,708,445.32 and 694,153.65 is: 957,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,019.55 : 1,708,445.32 = 694,153.65 : x
  2. Step 2: Convert to fraction form
    1,238,019.55/1,708,445.32 = 694,153.65/x
  3. Step 3: Cross multiply
    1,238,019.55x = 1,708,445.32 × 694,153.65
  4. Step 4: Simplify right side
    1,238,019.55x = 1,185,923,554,703.42
  5. Step 5: Solve for x
    x = 1,185,923,554,703.42/1,238,019.55
  6. Step 6: Final answer
    x = 957,919.89

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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.