Home / 814,230.12-1,223,253.56-768,218.52

Finding the Fourth Proportional to 814,230.12, 1,223,253.56 and 768,218.52

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Solution

The fourth proportional to 814,230.12, 1,223,253.56 and 768,218.52 is: 1,154,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,230.12 : 1,223,253.56 = 768,218.52 : x
  2. Step 2: Convert to fraction form
    814,230.12/1,223,253.56 = 768,218.52/x
  3. Step 3: Cross multiply
    814,230.12x = 1,223,253.56 × 768,218.52
  4. Step 4: Simplify right side
    814,230.12x = 939,726,039,447.93
  5. Step 5: Solve for x
    x = 939,726,039,447.93/814,230.12
  6. Step 6: Final answer
    x = 1,154,128.32

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1.5x scale

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.