Home / 874,753.05-1,312,712.78-401,194.65

Finding the Fourth Proportional to 874,753.05, 1,312,712.78 and 401,194.65

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Solution

The fourth proportional to 874,753.05, 1,312,712.78 and 401,194.65 is: 602,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,753.05 : 1,312,712.78 = 401,194.65 : x
  2. Step 2: Convert to fraction form
    874,753.05/1,312,712.78 = 401,194.65/x
  3. Step 3: Cross multiply
    874,753.05x = 1,312,712.78 × 401,194.65
  4. Step 4: Simplify right side
    874,753.05x = 526,653,342,316.65
  5. Step 5: Solve for x
    x = 526,653,342,316.65/874,753.05
  6. Step 6: Final answer
    x = 602,059.45

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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.