Home / 590,131.20-885,634.20-432,667.20

Finding the Fourth Proportional to 590,131.20, 885,634.20 and 432,667.20

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Solution

The fourth proportional to 590,131.20, 885,634.20 and 432,667.20 is: 649,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,131.20 : 885,634.20 = 432,667.20 : x
  2. Step 2: Convert to fraction form
    590,131.20/885,634.20 = 432,667.20/x
  3. Step 3: Cross multiply
    590,131.20x = 885,634.20 × 432,667.20
  4. Step 4: Simplify right side
    590,131.20x = 383,184,869,538.24
  5. Step 5: Solve for x
    x = 383,184,869,538.24/590,131.20
  6. Step 6: Final answer
    x = 649,321.49

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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.