Home / 414,924.60-621,080.13-286,087.20

Finding the Fourth Proportional to 414,924.60, 621,080.13 and 286,087.20

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Solution

The fourth proportional to 414,924.60, 621,080.13 and 286,087.20 is: 428,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,924.60 : 621,080.13 = 286,087.20 : x
  2. Step 2: Convert to fraction form
    414,924.60/621,080.13 = 286,087.20/x
  3. Step 3: Cross multiply
    414,924.60x = 621,080.13 × 286,087.20
  4. Step 4: Simplify right side
    414,924.60x = 177,683,075,367.34
  5. Step 5: Solve for x
    x = 177,683,075,367.34/414,924.60
  6. Step 6: Final answer
    x = 428,229.79

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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.