Home / 578,534.80-868,234.20-297,907.60

Finding the Fourth Proportional to 578,534.80, 868,234.20 and 297,907.60

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Solution

The fourth proportional to 578,534.80, 868,234.20 and 297,907.60 is: 447,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,534.80 : 868,234.20 = 297,907.60 : x
  2. Step 2: Convert to fraction form
    578,534.80/868,234.20 = 297,907.60/x
  3. Step 3: Cross multiply
    578,534.80x = 868,234.20 × 297,907.60
  4. Step 4: Simplify right side
    578,534.80x = 258,653,566,759.92
  5. Step 5: Solve for x
    x = 258,653,566,759.92/578,534.80
  6. Step 6: Final answer
    x = 447,083.85

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Double scale
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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.