Home / 578,976.48-798,973.20-324,325.92

Finding the Fourth Proportional to 578,976.48, 798,973.20 and 324,325.92

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Solution

The fourth proportional to 578,976.48, 798,973.20 and 324,325.92 is: 447,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,976.48 : 798,973.20 = 324,325.92 : x
  2. Step 2: Convert to fraction form
    578,976.48/798,973.20 = 324,325.92/x
  3. Step 3: Cross multiply
    578,976.48x = 798,973.20 × 324,325.92
  4. Step 4: Simplify right side
    578,976.48x = 259,127,718,145.34
  5. Step 5: Solve for x
    x = 259,127,718,145.34/578,976.48
  6. Step 6: Final answer
    x = 447,561.74

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Half scale
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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.