Home / 1,175,611.58-1,763,916.66-642,509.78

Finding the Fourth Proportional to 1,175,611.58, 1,763,916.66 and 642,509.78

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Solution

The fourth proportional to 1,175,611.58, 1,763,916.66 and 642,509.78 is: 964,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,611.58 : 1,763,916.66 = 642,509.78 : x
  2. Step 2: Convert to fraction form
    1,175,611.58/1,763,916.66 = 642,509.78/x
  3. Step 3: Cross multiply
    1,175,611.58x = 1,763,916.66 × 642,509.78
  4. Step 4: Simplify right side
    1,175,611.58x = 1,133,333,705,154.93
  5. Step 5: Solve for x
    x = 1,133,333,705,154.93/1,175,611.58
  6. Step 6: Final answer
    x = 964,037.55

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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.