Home / 349,749.10-524,623.65-320,589.10

Finding the Fourth Proportional to 349,749.10, 524,623.65 and 320,589.10

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Solution

The fourth proportional to 349,749.10, 524,623.65 and 320,589.10 is: 480,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,749.10 : 524,623.65 = 320,589.10 : x
  2. Step 2: Convert to fraction form
    349,749.10/524,623.65 = 320,589.10/x
  3. Step 3: Cross multiply
    349,749.10x = 524,623.65 × 320,589.10
  4. Step 4: Simplify right side
    349,749.10x = 168,188,623,792.22
  5. Step 5: Solve for x
    x = 168,188,623,792.22/349,749.10
  6. Step 6: Final answer
    x = 480,883.65

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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.