Home / 613,943.78-847,165.29-341,943.14

Finding the Fourth Proportional to 613,943.78, 847,165.29 and 341,943.14

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Solution

The fourth proportional to 613,943.78, 847,165.29 and 341,943.14 is: 471,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,943.78 : 847,165.29 = 341,943.14 : x
  2. Step 2: Convert to fraction form
    613,943.78/847,165.29 = 341,943.14/x
  3. Step 3: Cross multiply
    613,943.78x = 847,165.29 × 341,943.14
  4. Step 4: Simplify right side
    613,943.78x = 289,682,359,361.61
  5. Step 5: Solve for x
    x = 289,682,359,361.61/613,943.78
  6. Step 6: Final answer
    x = 471,838.58

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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.