Home / 734,107.32-1,013,206.41-479,015.64

Finding the Fourth Proportional to 734,107.32, 1,013,206.41 and 479,015.64

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Solution

The fourth proportional to 734,107.32, 1,013,206.41 and 479,015.64 is: 661,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,107.32 : 1,013,206.41 = 479,015.64 : x
  2. Step 2: Convert to fraction form
    734,107.32/1,013,206.41 = 479,015.64/x
  3. Step 3: Cross multiply
    734,107.32x = 1,013,206.41 × 479,015.64
  4. Step 4: Simplify right side
    734,107.32x = 485,341,716,938.25
  5. Step 5: Solve for x
    x = 485,341,716,938.25/734,107.32
  6. Step 6: Final answer
    x = 661,131.83

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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.