Home / 875,865.44-1,313,214.78-314,827.04

Finding the Fourth Proportional to 875,865.44, 1,313,214.78 and 314,827.04

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Solution

The fourth proportional to 875,865.44, 1,313,214.78 and 314,827.04 is: 472,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,865.44 : 1,313,214.78 = 314,827.04 : x
  2. Step 2: Convert to fraction form
    875,865.44/1,313,214.78 = 314,827.04/x
  3. Step 3: Cross multiply
    875,865.44x = 1,313,214.78 × 314,827.04
  4. Step 4: Simplify right side
    875,865.44x = 413,435,522,071.65
  5. Step 5: Solve for x
    x = 413,435,522,071.65/875,865.44
  6. Step 6: Final answer
    x = 472,030.87

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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.