Home / 609,621.93-841,096.26-394,421.13

Finding the Fourth Proportional to 609,621.93, 841,096.26 and 394,421.13

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Solution

The fourth proportional to 609,621.93, 841,096.26 and 394,421.13 is: 544,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,621.93 : 841,096.26 = 394,421.13 : x
  2. Step 2: Convert to fraction form
    609,621.93/841,096.26 = 394,421.13/x
  3. Step 3: Cross multiply
    609,621.93x = 841,096.26 × 394,421.13
  4. Step 4: Simplify right side
    609,621.93x = 331,746,137,307.97
  5. Step 5: Solve for x
    x = 331,746,137,307.97/609,621.93
  6. Step 6: Final answer
    x = 544,183.40

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Double scale
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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.