Home / 1,175,178.35-1,611,184.37-1,153,920.71

Finding the Fourth Proportional to 1,175,178.35, 1,611,184.37 and 1,153,920.71

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Solution

The fourth proportional to 1,175,178.35, 1,611,184.37 and 1,153,920.71 is: 1,582,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,178.35 : 1,611,184.37 = 1,153,920.71 : x
  2. Step 2: Convert to fraction form
    1,175,178.35/1,611,184.37 = 1,153,920.71/x
  3. Step 3: Cross multiply
    1,175,178.35x = 1,611,184.37 × 1,153,920.71
  4. Step 4: Simplify right side
    1,175,178.35x = 1,859,179,016,920.46
  5. Step 5: Solve for x
    x = 1,859,179,016,920.46/1,175,178.35
  6. Step 6: Final answer
    x = 1,582,039.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.