Home / 1,132,521.42-1,698,781.66-412,917.02

Finding the Fourth Proportional to 1,132,521.42, 1,698,781.66 and 412,917.02

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Solution

The fourth proportional to 1,132,521.42, 1,698,781.66 and 412,917.02 is: 619,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,521.42 : 1,698,781.66 = 412,917.02 : x
  2. Step 2: Convert to fraction form
    1,132,521.42/1,698,781.66 = 412,917.02/x
  3. Step 3: Cross multiply
    1,132,521.42x = 1,698,781.66 × 412,917.02
  4. Step 4: Simplify right side
    1,132,521.42x = 701,455,859,844.74
  5. Step 5: Solve for x
    x = 701,455,859,844.74/1,132,521.42
  6. Step 6: Final answer
    x = 619,375.36

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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.