Home / 1,085,706.10-1,627,781.55-454,294.90

Finding the Fourth Proportional to 1,085,706.10, 1,627,781.55 and 454,294.90

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Solution

The fourth proportional to 1,085,706.10, 1,627,781.55 and 454,294.90 is: 681,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,706.10 : 1,627,781.55 = 454,294.90 : x
  2. Step 2: Convert to fraction form
    1,085,706.10/1,627,781.55 = 454,294.90/x
  3. Step 3: Cross multiply
    1,085,706.10x = 1,627,781.55 × 454,294.90
  4. Step 4: Simplify right side
    1,085,706.10x = 739,492,856,479.10
  5. Step 5: Solve for x
    x = 739,492,856,479.10/1,085,706.10
  6. Step 6: Final answer
    x = 681,116.98

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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.