Home / 1,368,683.20-1,888,854.62-824,991.76

Finding the Fourth Proportional to 1,368,683.20, 1,888,854.62 and 824,991.76

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Solution

The fourth proportional to 1,368,683.20, 1,888,854.62 and 824,991.76 is: 1,138,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,683.20 : 1,888,854.62 = 824,991.76 : x
  2. Step 2: Convert to fraction form
    1,368,683.20/1,888,854.62 = 824,991.76/x
  3. Step 3: Cross multiply
    1,368,683.20x = 1,888,854.62 × 824,991.76
  4. Step 4: Simplify right side
    1,368,683.20x = 1,558,289,497,337.93
  5. Step 5: Solve for x
    x = 1,558,289,497,337.93/1,368,683.20
  6. Step 6: Final answer
    x = 1,138,531.91

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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.