Home / 404,928.28-607,394.58-265,569.40

Finding the Fourth Proportional to 404,928.28, 607,394.58 and 265,569.40

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Solution

The fourth proportional to 404,928.28, 607,394.58 and 265,569.40 is: 398,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,928.28 : 607,394.58 = 265,569.40 : x
  2. Step 2: Convert to fraction form
    404,928.28/607,394.58 = 265,569.40/x
  3. Step 3: Cross multiply
    404,928.28x = 607,394.58 × 265,569.40
  4. Step 4: Simplify right side
    404,928.28x = 161,305,414,173.85
  5. Step 5: Solve for x
    x = 161,305,414,173.85/404,928.28
  6. Step 6: Final answer
    x = 398,355.52

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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.