Home / 726,122.61-1,002,122.69-416,066.25

Finding the Fourth Proportional to 726,122.61, 1,002,122.69 and 416,066.25

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Solution

The fourth proportional to 726,122.61, 1,002,122.69 and 416,066.25 is: 574,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,122.61 : 1,002,122.69 = 416,066.25 : x
  2. Step 2: Convert to fraction form
    726,122.61/1,002,122.69 = 416,066.25/x
  3. Step 3: Cross multiply
    726,122.61x = 1,002,122.69 × 416,066.25
  4. Step 4: Simplify right side
    726,122.61x = 416,949,431,345.84
  5. Step 5: Solve for x
    x = 416,949,431,345.84/726,122.61
  6. Step 6: Final answer
    x = 574,213.54

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Double scale
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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.