Home / 451,890.47-623,587.79-247,936.79

Finding the Fourth Proportional to 451,890.47, 623,587.79 and 247,936.79

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Solution

The fourth proportional to 451,890.47, 623,587.79 and 247,936.79 is: 342,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,890.47 : 623,587.79 = 247,936.79 : x
  2. Step 2: Convert to fraction form
    451,890.47/623,587.79 = 247,936.79/x
  3. Step 3: Cross multiply
    451,890.47x = 623,587.79 × 247,936.79
  4. Step 4: Simplify right side
    451,890.47x = 154,610,352,437.70
  5. Step 5: Solve for x
    x = 154,610,352,437.70/451,890.47
  6. Step 6: Final answer
    x = 342,141.21

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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.