Home / 889,335.20-1,334,877.60-440,562.80

Finding the Fourth Proportional to 889,335.20, 1,334,877.60 and 440,562.80

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Solution

The fourth proportional to 889,335.20, 1,334,877.60 and 440,562.80 is: 661,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,335.20 : 1,334,877.60 = 440,562.80 : x
  2. Step 2: Convert to fraction form
    889,335.20/1,334,877.60 = 440,562.80/x
  3. Step 3: Cross multiply
    889,335.20x = 1,334,877.60 × 440,562.80
  4. Step 4: Simplify right side
    889,335.20x = 588,097,413,113.28
  5. Step 5: Solve for x
    x = 588,097,413,113.28/889,335.20
  6. Step 6: Final answer
    x = 661,277.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.