Home / 1,358,239.32-1,873,961.51-814,176.60

Finding the Fourth Proportional to 1,358,239.32, 1,873,961.51 and 814,176.60

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Solution

The fourth proportional to 1,358,239.32, 1,873,961.51 and 814,176.60 is: 1,123,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,239.32 : 1,873,961.51 = 814,176.60 : x
  2. Step 2: Convert to fraction form
    1,358,239.32/1,873,961.51 = 814,176.60/x
  3. Step 3: Cross multiply
    1,358,239.32x = 1,873,961.51 × 814,176.60
  4. Step 4: Simplify right side
    1,358,239.32x = 1,525,735,606,671.78
  5. Step 5: Solve for x
    x = 1,525,735,606,671.78/1,358,239.32
  6. Step 6: Final answer
    x = 1,123,318.68

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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.