Home / 609,085.40-913,628.10-293,574.20

Finding the Fourth Proportional to 609,085.40, 913,628.10 and 293,574.20

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Solution

The fourth proportional to 609,085.40, 913,628.10 and 293,574.20 is: 440,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,085.40 : 913,628.10 = 293,574.20 : x
  2. Step 2: Convert to fraction form
    609,085.40/913,628.10 = 293,574.20/x
  3. Step 3: Cross multiply
    609,085.40x = 913,628.10 × 293,574.20
  4. Step 4: Simplify right side
    609,085.40x = 268,217,638,555.02
  5. Step 5: Solve for x
    x = 268,217,638,555.02/609,085.40
  6. Step 6: Final answer
    x = 440,361.30

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Similar ratio
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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.