Home / 814,455.19-1,221,927.95-734,116.20

Finding the Fourth Proportional to 814,455.19, 1,221,927.95 and 734,116.20

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Solution

The fourth proportional to 814,455.19, 1,221,927.95 and 734,116.20 is: 1,101,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,455.19 : 1,221,927.95 = 734,116.20 : x
  2. Step 2: Convert to fraction form
    814,455.19/1,221,927.95 = 734,116.20/x
  3. Step 3: Cross multiply
    814,455.19x = 1,221,927.95 × 734,116.20
  4. Step 4: Simplify right side
    814,455.19x = 897,037,103,327.79
  5. Step 5: Solve for x
    x = 897,037,103,327.79/814,455.19
  6. Step 6: Final answer
    x = 1,101,395.28

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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.