Home / 579,464.02-799,657.81-324,815.20

Finding the Fourth Proportional to 579,464.02, 799,657.81 and 324,815.20

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Solution

The fourth proportional to 579,464.02, 799,657.81 and 324,815.20 is: 448,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,464.02 : 799,657.81 = 324,815.20 : x
  2. Step 2: Convert to fraction form
    579,464.02/799,657.81 = 324,815.20/x
  3. Step 3: Cross multiply
    579,464.02x = 799,657.81 × 324,815.20
  4. Step 4: Simplify right side
    579,464.02x = 259,741,011,486.71
  5. Step 5: Solve for x
    x = 259,741,011,486.71/579,464.02
  6. Step 6: Final answer
    x = 448,243.55

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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.