Home / 1,361,535.06-1,878,089.44-838,329.87

Finding the Fourth Proportional to 1,361,535.06, 1,878,089.44 and 838,329.87

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Solution

The fourth proportional to 1,361,535.06, 1,878,089.44 and 838,329.87 is: 1,156,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,535.06 : 1,878,089.44 = 838,329.87 : x
  2. Step 2: Convert to fraction form
    1,361,535.06/1,878,089.44 = 838,329.87/x
  3. Step 3: Cross multiply
    1,361,535.06x = 1,878,089.44 × 838,329.87
  4. Step 4: Simplify right side
    1,361,535.06x = 1,574,458,476,083.57
  5. Step 5: Solve for x
    x = 1,574,458,476,083.57/1,361,535.06
  6. Step 6: Final answer
    x = 1,156,384.82

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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.