Home / 838,666.80-1,157,202.60-494,611.16

Finding the Fourth Proportional to 838,666.80, 1,157,202.60 and 494,611.16

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Solution

The fourth proportional to 838,666.80, 1,157,202.60 and 494,611.16 is: 682,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,666.80 : 1,157,202.60 = 494,611.16 : x
  2. Step 2: Convert to fraction form
    838,666.80/1,157,202.60 = 494,611.16/x
  3. Step 3: Cross multiply
    838,666.80x = 1,157,202.60 × 494,611.16
  4. Step 4: Simplify right side
    838,666.80x = 572,365,320,341.02
  5. Step 5: Solve for x
    x = 572,365,320,341.02/838,666.80
  6. Step 6: Final answer
    x = 682,470.46

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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.