Home / 1,441,785.18-1,989,578.07-797,154.78

Finding the Fourth Proportional to 1,441,785.18, 1,989,578.07 and 797,154.78

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Solution

The fourth proportional to 1,441,785.18, 1,989,578.07 and 797,154.78 is: 1,100,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,785.18 : 1,989,578.07 = 797,154.78 : x
  2. Step 2: Convert to fraction form
    1,441,785.18/1,989,578.07 = 797,154.78/x
  3. Step 3: Cross multiply
    1,441,785.18x = 1,989,578.07 × 797,154.78
  4. Step 4: Simplify right side
    1,441,785.18x = 1,586,001,668,683.67
  5. Step 5: Solve for x
    x = 1,586,001,668,683.67/1,441,785.18
  6. Step 6: Final answer
    x = 1,100,026.34

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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.