Home / 839,508.44-1,259,139.62-412,929.77

Finding the Fourth Proportional to 839,508.44, 1,259,139.62 and 412,929.77

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Solution

The fourth proportional to 839,508.44, 1,259,139.62 and 412,929.77 is: 619,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,508.44 : 1,259,139.62 = 412,929.77 : x
  2. Step 2: Convert to fraction form
    839,508.44/1,259,139.62 = 412,929.77/x
  3. Step 3: Cross multiply
    839,508.44x = 1,259,139.62 × 412,929.77
  4. Step 4: Simplify right side
    839,508.44x = 519,936,226,098.38
  5. Step 5: Solve for x
    x = 519,936,226,098.38/839,508.44
  6. Step 6: Final answer
    x = 619,334.13

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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.