Home / 451,612.09-623,225.55-247,664.45

Finding the Fourth Proportional to 451,612.09, 623,225.55 and 247,664.45

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Solution

The fourth proportional to 451,612.09, 623,225.55 and 247,664.45 is: 341,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,612.09 : 623,225.55 = 247,664.45 : x
  2. Step 2: Convert to fraction form
    451,612.09/623,225.55 = 247,664.45/x
  3. Step 3: Cross multiply
    451,612.09x = 623,225.55 × 247,664.45
  4. Step 4: Simplify right side
    451,612.09x = 154,350,815,553.50
  5. Step 5: Solve for x
    x = 154,350,815,553.50/451,612.09
  6. Step 6: Final answer
    x = 341,777.42

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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.