Home / 625,981.10-939,955.80-360,260.60

Finding the Fourth Proportional to 625,981.10, 939,955.80 and 360,260.60

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Solution

The fourth proportional to 625,981.10, 939,955.80 and 360,260.60 is: 540,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,981.10 : 939,955.80 = 360,260.60 : x
  2. Step 2: Convert to fraction form
    625,981.10/939,955.80 = 360,260.60/x
  3. Step 3: Cross multiply
    625,981.10x = 939,955.80 × 360,260.60
  4. Step 4: Simplify right side
    625,981.10x = 338,629,040,481.48
  5. Step 5: Solve for x
    x = 338,629,040,481.48/625,981.10
  6. Step 6: Final answer
    x = 540,957.29

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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.