Home / 451,788.33-623,472.69-247,839.63

Finding the Fourth Proportional to 451,788.33, 623,472.69 and 247,839.63

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Solution

The fourth proportional to 451,788.33, 623,472.69 and 247,839.63 is: 342,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,788.33 : 623,472.69 = 247,839.63 : x
  2. Step 2: Convert to fraction form
    451,788.33/623,472.69 = 247,839.63/x
  3. Step 3: Cross multiply
    451,788.33x = 623,472.69 × 247,839.63
  4. Step 4: Simplify right side
    451,788.33x = 154,521,240,804.71
  5. Step 5: Solve for x
    x = 154,521,240,804.71/451,788.33
  6. Step 6: Final answer
    x = 342,021.32

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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.