Home / 1,175,609.58-1,763,913.66-642,507.78

Finding the Fourth Proportional to 1,175,609.58, 1,763,913.66 and 642,507.78

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Solution

The fourth proportional to 1,175,609.58, 1,763,913.66 and 642,507.78 is: 964,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,609.58 : 1,763,913.66 = 642,507.78 : x
  2. Step 2: Convert to fraction form
    1,175,609.58/1,763,913.66 = 642,507.78/x
  3. Step 3: Cross multiply
    1,175,609.58x = 1,763,913.66 × 642,507.78
  4. Step 4: Simplify right side
    1,175,609.58x = 1,133,328,249,798.27
  5. Step 5: Solve for x
    x = 1,133,328,249,798.27/1,175,609.58
  6. Step 6: Final answer
    x = 964,034.55

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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.