Home / 818,168.67-1,129,151.24-455,592.42

Finding the Fourth Proportional to 818,168.67, 1,129,151.24 and 455,592.42

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Solution

The fourth proportional to 818,168.67, 1,129,151.24 and 455,592.42 is: 628,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,168.67 : 1,129,151.24 = 455,592.42 : x
  2. Step 2: Convert to fraction form
    818,168.67/1,129,151.24 = 455,592.42/x
  3. Step 3: Cross multiply
    818,168.67x = 1,129,151.24 × 455,592.42
  4. Step 4: Simplify right side
    818,168.67x = 514,432,743,699.64
  5. Step 5: Solve for x
    x = 514,432,743,699.64/818,168.67
  6. Step 6: Final answer
    x = 628,761.24

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1.5x scale

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.