Home / 578,840.30-868,390.05-223,822.70

Finding the Fourth Proportional to 578,840.30, 868,390.05 and 223,822.70

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Solution

The fourth proportional to 578,840.30, 868,390.05 and 223,822.70 is: 335,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,840.30 : 868,390.05 = 223,822.70 : x
  2. Step 2: Convert to fraction form
    578,840.30/868,390.05 = 223,822.70/x
  3. Step 3: Cross multiply
    578,840.30x = 868,390.05 × 223,822.70
  4. Step 4: Simplify right side
    578,840.30x = 194,365,405,644.14
  5. Step 5: Solve for x
    x = 194,365,405,644.14/578,840.30
  6. Step 6: Final answer
    x = 335,784.16

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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.