Home / 1,226,569.71-1,839,725.13-328,102.11

Finding the Fourth Proportional to 1,226,569.71, 1,839,725.13 and 328,102.11

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Solution

The fourth proportional to 1,226,569.71, 1,839,725.13 and 328,102.11 is: 492,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,569.71 : 1,839,725.13 = 328,102.11 : x
  2. Step 2: Convert to fraction form
    1,226,569.71/1,839,725.13 = 328,102.11/x
  3. Step 3: Cross multiply
    1,226,569.71x = 1,839,725.13 × 328,102.11
  4. Step 4: Simplify right side
    1,226,569.71x = 603,617,696,973.02
  5. Step 5: Solve for x
    x = 603,617,696,973.02/1,226,569.71
  6. Step 6: Final answer
    x = 492,118.54

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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.