Home / 451,518.36-623,086.20-250,314.36

Finding the Fourth Proportional to 451,518.36, 623,086.20 and 250,314.36

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Solution

The fourth proportional to 451,518.36, 623,086.20 and 250,314.36 is: 345,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,518.36 : 623,086.20 = 250,314.36 : x
  2. Step 2: Convert to fraction form
    451,518.36/623,086.20 = 250,314.36/x
  3. Step 3: Cross multiply
    451,518.36x = 623,086.20 × 250,314.36
  4. Step 4: Simplify right side
    451,518.36x = 155,967,423,377.83
  5. Step 5: Solve for x
    x = 155,967,423,377.83/451,518.36
  6. Step 6: Final answer
    x = 345,428.75

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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.