Home / 791,968.80-1,186,340.40-491,527.20

Finding the Fourth Proportional to 791,968.80, 1,186,340.40 and 491,527.20

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Solution

The fourth proportional to 791,968.80, 1,186,340.40 and 491,527.20 is: 736,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,968.80 : 1,186,340.40 = 491,527.20 : x
  2. Step 2: Convert to fraction form
    791,968.80/1,186,340.40 = 491,527.20/x
  3. Step 3: Cross multiply
    791,968.80x = 1,186,340.40 × 491,527.20
  4. Step 4: Simplify right side
    791,968.80x = 583,118,575,058.88
  5. Step 5: Solve for x
    x = 583,118,575,058.88/791,968.80
  6. Step 6: Final answer
    x = 736,289.83

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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.