Home / 403,727.50-557,143.96-224,879.50

Finding the Fourth Proportional to 403,727.50, 557,143.96 and 224,879.50

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Solution

The fourth proportional to 403,727.50, 557,143.96 and 224,879.50 is: 310,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,727.50 : 557,143.96 = 224,879.50 : x
  2. Step 2: Convert to fraction form
    403,727.50/557,143.96 = 224,879.50/x
  3. Step 3: Cross multiply
    403,727.50x = 557,143.96 × 224,879.50
  4. Step 4: Simplify right side
    403,727.50x = 125,290,255,152.82
  5. Step 5: Solve for x
    x = 125,290,255,152.82/403,727.50
  6. Step 6: Final answer
    x = 310,333.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.