Home / 1,226,565.71-1,839,719.13-328,098.11

Finding the Fourth Proportional to 1,226,565.71, 1,839,719.13 and 328,098.11

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Solution

The fourth proportional to 1,226,565.71, 1,839,719.13 and 328,098.11 is: 492,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,565.71 : 1,839,719.13 = 328,098.11 : x
  2. Step 2: Convert to fraction form
    1,226,565.71/1,839,719.13 = 328,098.11/x
  3. Step 3: Cross multiply
    1,226,565.71x = 1,839,719.13 × 328,098.11
  4. Step 4: Simplify right side
    1,226,565.71x = 603,608,369,483.84
  5. Step 5: Solve for x
    x = 603,608,369,483.84/1,226,565.71
  6. Step 6: Final answer
    x = 492,112.54

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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.