Home / 609,114.52-914,569.97-339,768.92

Finding the Fourth Proportional to 609,114.52, 914,569.97 and 339,768.92

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Solution

The fourth proportional to 609,114.52, 914,569.97 and 339,768.92 is: 510,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,114.52 : 914,569.97 = 339,768.92 : x
  2. Step 2: Convert to fraction form
    609,114.52/914,569.97 = 339,768.92/x
  3. Step 3: Cross multiply
    609,114.52x = 914,569.97 × 339,768.92
  4. Step 4: Simplify right side
    609,114.52x = 310,742,450,971.33
  5. Step 5: Solve for x
    x = 310,742,450,971.33/609,114.52
  6. Step 6: Final answer
    x = 510,154.40

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1.5x scale

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.