Home / 578,808.18-798,766.26-324,158.76

Finding the Fourth Proportional to 578,808.18, 798,766.26 and 324,158.76

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Solution

The fourth proportional to 578,808.18, 798,766.26 and 324,158.76 is: 447,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,808.18 : 798,766.26 = 324,158.76 : x
  2. Step 2: Convert to fraction form
    578,808.18/798,766.26 = 324,158.76/x
  3. Step 3: Cross multiply
    578,808.18x = 798,766.26 × 324,158.76
  4. Step 4: Simplify right side
    578,808.18x = 258,927,080,371.44
  5. Step 5: Solve for x
    x = 258,927,080,371.44/578,808.18
  6. Step 6: Final answer
    x = 447,345.23

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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.