Home / 642,218.22-963,925.11-326,911.14

Finding the Fourth Proportional to 642,218.22, 963,925.11 and 326,911.14

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Solution

The fourth proportional to 642,218.22, 963,925.11 and 326,911.14 is: 490,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,218.22 : 963,925.11 = 326,911.14 : x
  2. Step 2: Convert to fraction form
    642,218.22/963,925.11 = 326,911.14/x
  3. Step 3: Cross multiply
    642,218.22x = 963,925.11 × 326,911.14
  4. Step 4: Simplify right side
    642,218.22x = 315,117,856,584.73
  5. Step 5: Solve for x
    x = 315,117,856,584.73/642,218.22
  6. Step 6: Final answer
    x = 490,671.00

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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.