Home / 404,890.90-606,947.55-314,883.70

Finding the Fourth Proportional to 404,890.90, 606,947.55 and 314,883.70

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Solution

The fourth proportional to 404,890.90, 606,947.55 and 314,883.70 is: 472,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,890.90 : 606,947.55 = 314,883.70 : x
  2. Step 2: Convert to fraction form
    404,890.90/606,947.55 = 314,883.70/x
  3. Step 3: Cross multiply
    404,890.90x = 606,947.55 × 314,883.70
  4. Step 4: Simplify right side
    404,890.90x = 191,117,890,249.94
  5. Step 5: Solve for x
    x = 191,117,890,249.94/404,890.90
  6. Step 6: Final answer
    x = 472,023.18

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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.