Home / 836,817.01-1,254,489.66-331,732.78

Finding the Fourth Proportional to 836,817.01, 1,254,489.66 and 331,732.78

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Solution

The fourth proportional to 836,817.01, 1,254,489.66 and 331,732.78 is: 497,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,817.01 : 1,254,489.66 = 331,732.78 : x
  2. Step 2: Convert to fraction form
    836,817.01/1,254,489.66 = 331,732.78/x
  3. Step 3: Cross multiply
    836,817.01x = 1,254,489.66 × 331,732.78
  4. Step 4: Simplify right side
    836,817.01x = 416,155,339,256.83
  5. Step 5: Solve for x
    x = 416,155,339,256.83/836,817.01
  6. Step 6: Final answer
    x = 497,307.46

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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.