Home / 1,512,117.90-2,268,176.85-976,740.30

Finding the Fourth Proportional to 1,512,117.90, 2,268,176.85 and 976,740.30

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Solution

The fourth proportional to 1,512,117.90, 2,268,176.85 and 976,740.30 is: 1,465,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,117.90 : 2,268,176.85 = 976,740.30 : x
  2. Step 2: Convert to fraction form
    1,512,117.90/2,268,176.85 = 976,740.30/x
  3. Step 3: Cross multiply
    1,512,117.90x = 2,268,176.85 × 976,740.30
  4. Step 4: Simplify right side
    1,512,117.90x = 2,215,419,736,922.06
  5. Step 5: Solve for x
    x = 2,215,419,736,922.06/1,512,117.90
  6. Step 6: Final answer
    x = 1,465,110.45

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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.