Home / 741,113.46-1,022,728.10-401,581.71

Finding the Fourth Proportional to 741,113.46, 1,022,728.10 and 401,581.71

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Solution

The fourth proportional to 741,113.46, 1,022,728.10 and 401,581.71 is: 554,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,113.46 : 1,022,728.10 = 401,581.71 : x
  2. Step 2: Convert to fraction form
    741,113.46/1,022,728.10 = 401,581.71/x
  3. Step 3: Cross multiply
    741,113.46x = 1,022,728.10 × 401,581.71
  4. Step 4: Simplify right side
    741,113.46x = 410,708,897,255.14
  5. Step 5: Solve for x
    x = 410,708,897,255.14/741,113.46
  6. Step 6: Final answer
    x = 554,178.16

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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.