Home / 579,390.04-799,555.72-324,741.24

Finding the Fourth Proportional to 579,390.04, 799,555.72 and 324,741.24

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Solution

The fourth proportional to 579,390.04, 799,555.72 and 324,741.24 is: 448,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,390.04 : 799,555.72 = 324,741.24 : x
  2. Step 2: Convert to fraction form
    579,390.04/799,555.72 = 324,741.24/x
  3. Step 3: Cross multiply
    579,390.04x = 799,555.72 × 324,741.24
  4. Step 4: Simplify right side
    579,390.04x = 259,648,715,961.89
  5. Step 5: Solve for x
    x = 259,648,715,961.89/579,390.04
  6. Step 6: Final answer
    x = 448,141.49

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