Home / 839,964.30-1,259,946.45-556,529.10

Finding the Fourth Proportional to 839,964.30, 1,259,946.45 and 556,529.10

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Solution

The fourth proportional to 839,964.30, 1,259,946.45 and 556,529.10 is: 834,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,964.30 : 1,259,946.45 = 556,529.10 : x
  2. Step 2: Convert to fraction form
    839,964.30/1,259,946.45 = 556,529.10/x
  3. Step 3: Cross multiply
    839,964.30x = 1,259,946.45 × 556,529.10
  4. Step 4: Simplify right side
    839,964.30x = 701,196,863,866.70
  5. Step 5: Solve for x
    x = 701,196,863,866.70/839,964.30
  6. Step 6: Final answer
    x = 834,793.65

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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.