Home / 957,028.25-1,320,728.90-549,204.69

Finding the Fourth Proportional to 957,028.25, 1,320,728.90 and 549,204.69

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Solution

The fourth proportional to 957,028.25, 1,320,728.90 and 549,204.69 is: 757,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,028.25 : 1,320,728.90 = 549,204.69 : x
  2. Step 2: Convert to fraction form
    957,028.25/1,320,728.90 = 549,204.69/x
  3. Step 3: Cross multiply
    957,028.25x = 1,320,728.90 × 549,204.69
  4. Step 4: Simplify right side
    957,028.25x = 725,350,500,876.15
  5. Step 5: Solve for x
    x = 725,350,500,876.15/957,028.25
  6. Step 6: Final answer
    x = 757,919.64

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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.