Home / 1,008,350.61-1,512,521.82-409,306.71

Finding the Fourth Proportional to 1,008,350.61, 1,512,521.82 and 409,306.71

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Solution

The fourth proportional to 1,008,350.61, 1,512,521.82 and 409,306.71 is: 613,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,350.61 : 1,512,521.82 = 409,306.71 : x
  2. Step 2: Convert to fraction form
    1,008,350.61/1,512,521.82 = 409,306.71/x
  3. Step 3: Cross multiply
    1,008,350.61x = 1,512,521.82 × 409,306.71
  4. Step 4: Simplify right side
    1,008,350.61x = 619,085,329,947.41
  5. Step 5: Solve for x
    x = 619,085,329,947.41/1,008,350.61
  6. Step 6: Final answer
    x = 613,958.40

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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.