Home / 326,260.28-489,309.42-89,591.24

Finding the Fourth Proportional to 326,260.28, 489,309.42 and 89,591.24

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Solution

The fourth proportional to 326,260.28, 489,309.42 and 89,591.24 is: 134,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,260.28 : 489,309.42 = 89,591.24 : x
  2. Step 2: Convert to fraction form
    326,260.28/489,309.42 = 89,591.24/x
  3. Step 3: Cross multiply
    326,260.28x = 489,309.42 × 89,591.24
  4. Step 4: Simplify right side
    326,260.28x = 43,837,837,681.48
  5. Step 5: Solve for x
    x = 43,837,837,681.48/326,260.28
  6. Step 6: Final answer
    x = 134,364.62

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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.