Home / 451,934.59-623,648.77-247,980.44

Finding the Fourth Proportional to 451,934.59, 623,648.77 and 247,980.44

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Solution

The fourth proportional to 451,934.59, 623,648.77 and 247,980.44 is: 342,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,934.59 : 623,648.77 = 247,980.44 : x
  2. Step 2: Convert to fraction form
    451,934.59/623,648.77 = 247,980.44/x
  3. Step 3: Cross multiply
    451,934.59x = 623,648.77 × 247,980.44
  4. Step 4: Simplify right side
    451,934.59x = 154,652,693,821.21
  5. Step 5: Solve for x
    x = 154,652,693,821.21/451,934.59
  6. Step 6: Final answer
    x = 342,201.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.