Home / 839,535.20-1,259,675.04-440,080.64

Finding the Fourth Proportional to 839,535.20, 1,259,675.04 and 440,080.64

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Solution

The fourth proportional to 839,535.20, 1,259,675.04 and 440,080.64 is: 660,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,535.20 : 1,259,675.04 = 440,080.64 : x
  2. Step 2: Convert to fraction form
    839,535.20/1,259,675.04 = 440,080.64/x
  3. Step 3: Cross multiply
    839,535.20x = 1,259,675.04 × 440,080.64
  4. Step 4: Simplify right side
    839,535.20x = 554,358,597,795.23
  5. Step 5: Solve for x
    x = 554,358,597,795.23/839,535.20
  6. Step 6: Final answer
    x = 660,316.09

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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.