Home / 839,453.28-1,158,406.24-476,868.16

Finding the Fourth Proportional to 839,453.28, 1,158,406.24 and 476,868.16

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Solution

The fourth proportional to 839,453.28, 1,158,406.24 and 476,868.16 is: 658,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,453.28 : 1,158,406.24 = 476,868.16 : x
  2. Step 2: Convert to fraction form
    839,453.28/1,158,406.24 = 476,868.16/x
  3. Step 3: Cross multiply
    839,453.28x = 1,158,406.24 × 476,868.16
  4. Step 4: Simplify right side
    839,453.28x = 552,407,052,201.32
  5. Step 5: Solve for x
    x = 552,407,052,201.32/839,453.28
  6. Step 6: Final answer
    x = 658,055.74

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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.