Home / 838,847.18-1,157,661.78-476,132.96

Finding the Fourth Proportional to 838,847.18, 1,157,661.78 and 476,132.96

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Solution

The fourth proportional to 838,847.18, 1,157,661.78 and 476,132.96 is: 657,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,847.18 : 1,157,661.78 = 476,132.96 : x
  2. Step 2: Convert to fraction form
    838,847.18/1,157,661.78 = 476,132.96/x
  3. Step 3: Cross multiply
    838,847.18x = 1,157,661.78 × 476,132.96
  4. Step 4: Simplify right side
    838,847.18x = 551,200,929,990.27
  5. Step 5: Solve for x
    x = 551,200,929,990.27/838,847.18
  6. Step 6: Final answer
    x = 657,093.38

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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.