Home / 1,396,095.95-1,926,402.55-784,131.44

Finding the Fourth Proportional to 1,396,095.95, 1,926,402.55 and 784,131.44

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Solution

The fourth proportional to 1,396,095.95, 1,926,402.55 and 784,131.44 is: 1,081,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,095.95 : 1,926,402.55 = 784,131.44 : x
  2. Step 2: Convert to fraction form
    1,396,095.95/1,926,402.55 = 784,131.44/x
  3. Step 3: Cross multiply
    1,396,095.95x = 1,926,402.55 × 784,131.44
  4. Step 4: Simplify right side
    1,396,095.95x = 1,510,552,793,958.83
  5. Step 5: Solve for x
    x = 1,510,552,793,958.83/1,396,095.95
  6. Step 6: Final answer
    x = 1,081,983.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.