Home / 578,412.20-867,618.30-294,102.20

Finding the Fourth Proportional to 578,412.20, 867,618.30 and 294,102.20

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Solution

The fourth proportional to 578,412.20, 867,618.30 and 294,102.20 is: 441,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,412.20 : 867,618.30 = 294,102.20 : x
  2. Step 2: Convert to fraction form
    578,412.20/867,618.30 = 294,102.20/x
  3. Step 3: Cross multiply
    578,412.20x = 867,618.30 × 294,102.20
  4. Step 4: Simplify right side
    578,412.20x = 255,168,450,790.26
  5. Step 5: Solve for x
    x = 255,168,450,790.26/578,412.20
  6. Step 6: Final answer
    x = 441,153.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.