Home / 905,895.77-1,250,151.57-498,014.60

Finding the Fourth Proportional to 905,895.77, 1,250,151.57 and 498,014.60

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Solution

The fourth proportional to 905,895.77, 1,250,151.57 and 498,014.60 is: 687,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,895.77 : 1,250,151.57 = 498,014.60 : x
  2. Step 2: Convert to fraction form
    905,895.77/1,250,151.57 = 498,014.60/x
  3. Step 3: Cross multiply
    905,895.77x = 1,250,151.57 × 498,014.60
  4. Step 4: Simplify right side
    905,895.77x = 622,593,727,822.16
  5. Step 5: Solve for x
    x = 622,593,727,822.16/905,895.77
  6. Step 6: Final answer
    x = 687,268.62

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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.