Home / 376,334.28-519,341.04-212,987.82

Finding the Fourth Proportional to 376,334.28, 519,341.04 and 212,987.82

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Solution

The fourth proportional to 376,334.28, 519,341.04 and 212,987.82 is: 293,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,334.28 : 519,341.04 = 212,987.82 : x
  2. Step 2: Convert to fraction form
    376,334.28/519,341.04 = 212,987.82/x
  3. Step 3: Cross multiply
    376,334.28x = 519,341.04 × 212,987.82
  4. Step 4: Simplify right side
    376,334.28x = 110,613,315,946.13
  5. Step 5: Solve for x
    x = 110,613,315,946.13/376,334.28
  6. Step 6: Final answer
    x = 293,923.04

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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.