Home / 578,226.00-867,837.23-400,857.57

Finding the Fourth Proportional to 578,226.00, 867,837.23 and 400,857.57

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Solution

The fourth proportional to 578,226.00, 867,837.23 and 400,857.57 is: 601,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,226.00 : 867,837.23 = 400,857.57 : x
  2. Step 2: Convert to fraction form
    578,226.00/867,837.23 = 400,857.57/x
  3. Step 3: Cross multiply
    578,226.00x = 867,837.23 × 400,857.57
  4. Step 4: Simplify right side
    578,226.00x = 347,879,120,001.59
  5. Step 5: Solve for x
    x = 347,879,120,001.59/578,226.00
  6. Step 6: Final answer
    x = 601,631.75

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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.