Home / 836,989.89-1,154,997-455,013.33

Finding the Fourth Proportional to 836,989.89, 1,154,997 and 455,013.33

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Solution

The fourth proportional to 836,989.89, 1,154,997 and 455,013.33 is: 627,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,989.89 : 1,154,997 = 455,013.33 : x
  2. Step 2: Convert to fraction form
    836,989.89/1,154,997 = 455,013.33/x
  3. Step 3: Cross multiply
    836,989.89x = 1,154,997 × 455,013.33
  4. Step 4: Simplify right side
    836,989.89x = 525,539,031,110.01
  5. Step 5: Solve for x
    x = 525,539,031,110.01/836,989.89
  6. Step 6: Final answer
    x = 627,891.73

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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.