Home / 868,113.62-1,301,894.38-811,441.29

Finding the Fourth Proportional to 868,113.62, 1,301,894.38 and 811,441.29

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Solution

The fourth proportional to 868,113.62, 1,301,894.38 and 811,441.29 is: 1,216,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,113.62 : 1,301,894.38 = 811,441.29 : x
  2. Step 2: Convert to fraction form
    868,113.62/1,301,894.38 = 811,441.29/x
  3. Step 3: Cross multiply
    868,113.62x = 1,301,894.38 × 811,441.29
  4. Step 4: Simplify right side
    868,113.62x = 1,056,410,851,283.15
  5. Step 5: Solve for x
    x = 1,056,410,851,283.15/868,113.62
  6. Step 6: Final answer
    x = 1,216,903.90

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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.