Home / 874,445.07-1,311,667.61-341,592.42

Finding the Fourth Proportional to 874,445.07, 1,311,667.61 and 341,592.42

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Solution

The fourth proportional to 874,445.07, 1,311,667.61 and 341,592.42 is: 512,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,445.07 : 1,311,667.61 = 341,592.42 : x
  2. Step 2: Convert to fraction form
    874,445.07/1,311,667.61 = 341,592.42/x
  3. Step 3: Cross multiply
    874,445.07x = 1,311,667.61 × 341,592.42
  4. Step 4: Simplify right side
    874,445.07x = 448,055,711,427.55
  5. Step 5: Solve for x
    x = 448,055,711,427.55/874,445.07
  6. Step 6: Final answer
    x = 512,388.63

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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.