Home / 593,144.20-889,716.30-435,680.20

Finding the Fourth Proportional to 593,144.20, 889,716.30 and 435,680.20

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Solution

The fourth proportional to 593,144.20, 889,716.30 and 435,680.20 is: 653,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,144.20 : 889,716.30 = 435,680.20 : x
  2. Step 2: Convert to fraction form
    593,144.20/889,716.30 = 435,680.20/x
  3. Step 3: Cross multiply
    593,144.20x = 889,716.30 × 435,680.20
  4. Step 4: Simplify right side
    593,144.20x = 387,631,775,527.26
  5. Step 5: Solve for x
    x = 387,631,775,527.26/593,144.20
  6. Step 6: Final answer
    x = 653,520.30

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Double scale
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Similar ratio
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1.5x scale

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.