Home / 579,315.53-799,488.29-324,683.12

Finding the Fourth Proportional to 579,315.53, 799,488.29 and 324,683.12

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Solution

The fourth proportional to 579,315.53, 799,488.29 and 324,683.12 is: 448,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,315.53 : 799,488.29 = 324,683.12 : x
  2. Step 2: Convert to fraction form
    579,315.53/799,488.29 = 324,683.12/x
  3. Step 3: Cross multiply
    579,315.53x = 799,488.29 × 324,683.12
  4. Step 4: Simplify right side
    579,315.53x = 259,580,352,400.67
  5. Step 5: Solve for x
    x = 259,580,352,400.67/579,315.53
  6. Step 6: Final answer
    x = 448,081.12

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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.