Home / 706,060.80-1,059,091.20-407,462.40

Finding the Fourth Proportional to 706,060.80, 1,059,091.20 and 407,462.40

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Solution

The fourth proportional to 706,060.80, 1,059,091.20 and 407,462.40 is: 611,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,060.80 : 1,059,091.20 = 407,462.40 : x
  2. Step 2: Convert to fraction form
    706,060.80/1,059,091.20 = 407,462.40/x
  3. Step 3: Cross multiply
    706,060.80x = 1,059,091.20 × 407,462.40
  4. Step 4: Simplify right side
    706,060.80x = 431,539,842,170.88
  5. Step 5: Solve for x
    x = 431,539,842,170.88/706,060.80
  6. Step 6: Final answer
    x = 611,193.60

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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.