Home / 578,764.60-867,855.30-342,179.80

Finding the Fourth Proportional to 578,764.60, 867,855.30 and 342,179.80

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Solution

The fourth proportional to 578,764.60, 867,855.30 and 342,179.80 is: 513,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,764.60 : 867,855.30 = 342,179.80 : x
  2. Step 2: Convert to fraction form
    578,764.60/867,855.30 = 342,179.80/x
  3. Step 3: Cross multiply
    578,764.60x = 867,855.30 × 342,179.80
  4. Step 4: Simplify right side
    578,764.60x = 296,962,552,982.94
  5. Step 5: Solve for x
    x = 296,962,552,982.94/578,764.60
  6. Step 6: Final answer
    x = 513,097.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.