Home / 891,872.64-1,231,168.16-547,764.32

Finding the Fourth Proportional to 891,872.64, 1,231,168.16 and 547,764.32

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Solution

The fourth proportional to 891,872.64, 1,231,168.16 and 547,764.32 is: 756,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,872.64 : 1,231,168.16 = 547,764.32 : x
  2. Step 2: Convert to fraction form
    891,872.64/1,231,168.16 = 547,764.32/x
  3. Step 3: Cross multiply
    891,872.64x = 1,231,168.16 × 547,764.32
  4. Step 4: Simplify right side
    891,872.64x = 674,389,989,968.05
  5. Step 5: Solve for x
    x = 674,389,989,968.05/891,872.64
  6. Step 6: Final answer
    x = 756,150.55

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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.