Home / 609,081.40-913,622.10-293,570.20

Finding the Fourth Proportional to 609,081.40, 913,622.10 and 293,570.20

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Solution

The fourth proportional to 609,081.40, 913,622.10 and 293,570.20 is: 440,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,081.40 : 913,622.10 = 293,570.20 : x
  2. Step 2: Convert to fraction form
    609,081.40/913,622.10 = 293,570.20/x
  3. Step 3: Cross multiply
    609,081.40x = 913,622.10 × 293,570.20
  4. Step 4: Simplify right side
    609,081.40x = 268,212,222,621.42
  5. Step 5: Solve for x
    x = 268,212,222,621.42/609,081.40
  6. Step 6: Final answer
    x = 440,355.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.