Home / 515,244.75-711,024.03-297,446.07

Finding the Fourth Proportional to 515,244.75, 711,024.03 and 297,446.07

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Solution

The fourth proportional to 515,244.75, 711,024.03 and 297,446.07 is: 410,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,244.75 : 711,024.03 = 297,446.07 : x
  2. Step 2: Convert to fraction form
    515,244.75/711,024.03 = 297,446.07/x
  3. Step 3: Cross multiply
    515,244.75x = 711,024.03 × 297,446.07
  4. Step 4: Simplify right side
    515,244.75x = 211,491,303,399.06
  5. Step 5: Solve for x
    x = 211,491,303,399.06/515,244.75
  6. Step 6: Final answer
    x = 410,467.65

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