Home / 625,982.10-939,957.30-360,261.60

Finding the Fourth Proportional to 625,982.10, 939,957.30 and 360,261.60

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Solution

The fourth proportional to 625,982.10, 939,957.30 and 360,261.60 is: 540,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,982.10 : 939,957.30 = 360,261.60 : x
  2. Step 2: Convert to fraction form
    625,982.10/939,957.30 = 360,261.60/x
  3. Step 3: Cross multiply
    625,982.10x = 939,957.30 × 360,261.60
  4. Step 4: Simplify right side
    625,982.10x = 338,630,520,829.68
  5. Step 5: Solve for x
    x = 338,630,520,829.68/625,982.10
  6. Step 6: Final answer
    x = 540,958.79

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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.