Home / 451,623.98-623,269.07-250,419.98

Finding the Fourth Proportional to 451,623.98, 623,269.07 and 250,419.98

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Solution

The fourth proportional to 451,623.98, 623,269.07 and 250,419.98 is: 345,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,623.98 : 623,269.07 = 250,419.98 : x
  2. Step 2: Convert to fraction form
    451,623.98/623,269.07 = 250,419.98/x
  3. Step 3: Cross multiply
    451,623.98x = 623,269.07 × 250,419.98
  4. Step 4: Simplify right side
    451,623.98x = 156,079,023,675.57
  5. Step 5: Solve for x
    x = 156,079,023,675.57/451,623.98
  6. Step 6: Final answer
    x = 345,595.08

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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.