Home / 451,721.96-623,394.08-247,780.16

Finding the Fourth Proportional to 451,721.96, 623,394.08 and 247,780.16

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Solution

The fourth proportional to 451,721.96, 623,394.08 and 247,780.16 is: 341,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,721.96 : 623,394.08 = 247,780.16 : x
  2. Step 2: Convert to fraction form
    451,721.96/623,394.08 = 247,780.16/x
  3. Step 3: Cross multiply
    451,721.96x = 623,394.08 × 247,780.16
  4. Step 4: Simplify right side
    451,721.96x = 154,464,684,885.45
  5. Step 5: Solve for x
    x = 154,464,684,885.45/451,721.96
  6. Step 6: Final answer
    x = 341,946.37

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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.