Home / 880,706.22-1,215,353.87-518,153.41

Finding the Fourth Proportional to 880,706.22, 1,215,353.87 and 518,153.41

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Solution

The fourth proportional to 880,706.22, 1,215,353.87 and 518,153.41 is: 715,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,706.22 : 1,215,353.87 = 518,153.41 : x
  2. Step 2: Convert to fraction form
    880,706.22/1,215,353.87 = 518,153.41/x
  3. Step 3: Cross multiply
    880,706.22x = 1,215,353.87 × 518,153.41
  4. Step 4: Simplify right side
    880,706.22x = 629,739,746,132.33
  5. Step 5: Solve for x
    x = 629,739,746,132.33/880,706.22
  6. Step 6: Final answer
    x = 715,039.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.