Home / 724,362.20-1,085,878.08-250,716.32

Finding the Fourth Proportional to 724,362.20, 1,085,878.08 and 250,716.32

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Solution

The fourth proportional to 724,362.20, 1,085,878.08 and 250,716.32 is: 375,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,362.20 : 1,085,878.08 = 250,716.32 : x
  2. Step 2: Convert to fraction form
    724,362.20/1,085,878.08 = 250,716.32/x
  3. Step 3: Cross multiply
    724,362.20x = 1,085,878.08 × 250,716.32
  4. Step 4: Simplify right side
    724,362.20x = 272,247,356,186.27
  5. Step 5: Solve for x
    x = 272,247,356,186.27/724,362.20
  6. Step 6: Final answer
    x = 375,844.23

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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.