Home / 876,337.28-1,209,376.32-494,380.16

Finding the Fourth Proportional to 876,337.28, 1,209,376.32 and 494,380.16

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Solution

The fourth proportional to 876,337.28, 1,209,376.32 and 494,380.16 is: 682,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,337.28 : 1,209,376.32 = 494,380.16 : x
  2. Step 2: Convert to fraction form
    876,337.28/1,209,376.32 = 494,380.16/x
  3. Step 3: Cross multiply
    876,337.28x = 1,209,376.32 × 494,380.16
  4. Step 4: Simplify right side
    876,337.28x = 597,891,658,581.81
  5. Step 5: Solve for x
    x = 597,891,658,581.81/876,337.28
  6. Step 6: Final answer
    x = 682,262.04

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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.