Home / 836,991.39-1,154,999.07-455,014.83

Finding the Fourth Proportional to 836,991.39, 1,154,999.07 and 455,014.83

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Solution

The fourth proportional to 836,991.39, 1,154,999.07 and 455,014.83 is: 627,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,991.39 : 1,154,999.07 = 455,014.83 : x
  2. Step 2: Convert to fraction form
    836,991.39/1,154,999.07 = 455,014.83/x
  3. Step 3: Cross multiply
    836,991.39x = 1,154,999.07 × 455,014.83
  4. Step 4: Simplify right side
    836,991.39x = 525,541,705,486.21
  5. Step 5: Solve for x
    x = 525,541,705,486.21/836,991.39
  6. Step 6: Final answer
    x = 627,893.80

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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.