Home / 578,976.13-798,757.18-361,056.61

Finding the Fourth Proportional to 578,976.13, 798,757.18 and 361,056.61

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Solution

The fourth proportional to 578,976.13, 798,757.18 and 361,056.61 is: 498,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,976.13 : 798,757.18 = 361,056.61 : x
  2. Step 2: Convert to fraction form
    578,976.13/798,757.18 = 361,056.61/x
  3. Step 3: Cross multiply
    578,976.13x = 798,757.18 × 361,056.61
  4. Step 4: Simplify right side
    578,976.13x = 288,396,559,623.96
  5. Step 5: Solve for x
    x = 288,396,559,623.96/578,976.13
  6. Step 6: Final answer
    x = 498,114.77

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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.