Home / 814,235.01-1,223,261.17-768,223.56

Finding the Fourth Proportional to 814,235.01, 1,223,261.17 and 768,223.56

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Solution

The fourth proportional to 814,235.01, 1,223,261.17 and 768,223.56 is: 1,154,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,235.01 : 1,223,261.17 = 768,223.56 : x
  2. Step 2: Convert to fraction form
    814,235.01/1,223,261.17 = 768,223.56/x
  3. Step 3: Cross multiply
    814,235.01x = 1,223,261.17 × 768,223.56
  4. Step 4: Simplify right side
    814,235.01x = 939,738,050,827.17
  5. Step 5: Solve for x
    x = 939,738,050,827.17/814,235.01
  6. Step 6: Final answer
    x = 1,154,136.14

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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.