Home / 1,168,285.47-1,611,983.72-878,207.26

Finding the Fourth Proportional to 1,168,285.47, 1,611,983.72 and 878,207.26

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Solution

The fourth proportional to 1,168,285.47, 1,611,983.72 and 878,207.26 is: 1,211,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,285.47 : 1,611,983.72 = 878,207.26 : x
  2. Step 2: Convert to fraction form
    1,168,285.47/1,611,983.72 = 878,207.26/x
  3. Step 3: Cross multiply
    1,168,285.47x = 1,611,983.72 × 878,207.26
  4. Step 4: Simplify right side
    1,168,285.47x = 1,415,655,797,845.89
  5. Step 5: Solve for x
    x = 1,415,655,797,845.89/1,168,285.47
  6. Step 6: Final answer
    x = 1,211,737.92

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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.