Home / 579,306.23-799,443.59-324,657.42

Finding the Fourth Proportional to 579,306.23, 799,443.59 and 324,657.42

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Solution

The fourth proportional to 579,306.23, 799,443.59 and 324,657.42 is: 448,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,306.23 : 799,443.59 = 324,657.42 : x
  2. Step 2: Convert to fraction form
    579,306.23/799,443.59 = 324,657.42/x
  3. Step 3: Cross multiply
    579,306.23x = 799,443.59 × 324,657.42
  4. Step 4: Simplify right side
    579,306.23x = 259,545,291,741.65
  5. Step 5: Solve for x
    x = 259,545,291,741.65/579,306.23
  6. Step 6: Final answer
    x = 448,027.79

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.