Home / 578,814.68-868,518.09-275,551.49

Finding the Fourth Proportional to 578,814.68, 868,518.09 and 275,551.49

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Solution

The fourth proportional to 578,814.68, 868,518.09 and 275,551.49 is: 413,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,814.68 : 868,518.09 = 275,551.49 : x
  2. Step 2: Convert to fraction form
    578,814.68/868,518.09 = 275,551.49/x
  3. Step 3: Cross multiply
    578,814.68x = 868,518.09 × 275,551.49
  4. Step 4: Simplify right side
    578,814.68x = 239,321,453,791.45
  5. Step 5: Solve for x
    x = 239,321,453,791.45/578,814.68
  6. Step 6: Final answer
    x = 413,468.18

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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.