Home / 404,966.20-607,449.30-326,234.20

Finding the Fourth Proportional to 404,966.20, 607,449.30 and 326,234.20

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Solution

The fourth proportional to 404,966.20, 607,449.30 and 326,234.20 is: 489,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,966.20 : 607,449.30 = 326,234.20 : x
  2. Step 2: Convert to fraction form
    404,966.20/607,449.30 = 326,234.20/x
  3. Step 3: Cross multiply
    404,966.20x = 607,449.30 × 326,234.20
  4. Step 4: Simplify right side
    404,966.20x = 198,170,736,426.06
  5. Step 5: Solve for x
    x = 198,170,736,426.06/404,966.20
  6. Step 6: Final answer
    x = 489,351.30

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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.