Home / 456,422.20-683,321.10-403,934.20

Finding the Fourth Proportional to 456,422.20, 683,321.10 and 403,934.20

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Solution

The fourth proportional to 456,422.20, 683,321.10 and 403,934.20 is: 604,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,422.20 : 683,321.10 = 403,934.20 : x
  2. Step 2: Convert to fraction form
    456,422.20/683,321.10 = 403,934.20/x
  3. Step 3: Cross multiply
    456,422.20x = 683,321.10 × 403,934.20
  4. Step 4: Simplify right side
    456,422.20x = 276,016,761,871.62
  5. Step 5: Solve for x
    x = 276,016,761,871.62/456,422.20
  6. Step 6: Final answer
    x = 604,740.00

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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.