Home / 716,118-1,074,220.20-217,486.32

Finding the Fourth Proportional to 716,118, 1,074,220.20 and 217,486.32

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Solution

The fourth proportional to 716,118, 1,074,220.20 and 217,486.32 is: 326,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,118 : 1,074,220.20 = 217,486.32 : x
  2. Step 2: Convert to fraction form
    716,118/1,074,220.20 = 217,486.32/x
  3. Step 3: Cross multiply
    716,118x = 1,074,220.20 × 217,486.32
  4. Step 4: Simplify right side
    716,118x = 233,628,198,167.66
  5. Step 5: Solve for x
    x = 233,628,198,167.66/716,118
  6. Step 6: Final answer
    x = 326,242.60

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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.