Home / 836,997.39-1,155,007.35-455,020.83

Finding the Fourth Proportional to 836,997.39, 1,155,007.35 and 455,020.83

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Solution

The fourth proportional to 836,997.39, 1,155,007.35 and 455,020.83 is: 627,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,997.39 : 1,155,007.35 = 455,020.83 : x
  2. Step 2: Convert to fraction form
    836,997.39/1,155,007.35 = 455,020.83/x
  3. Step 3: Cross multiply
    836,997.39x = 1,155,007.35 × 455,020.83
  4. Step 4: Simplify right side
    836,997.39x = 525,552,403,053.10
  5. Step 5: Solve for x
    x = 525,552,403,053.10/836,997.39
  6. Step 6: Final answer
    x = 627,902.08

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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.