Home / 307,587.17-424,680.17-198,954.83

Finding the Fourth Proportional to 307,587.17, 424,680.17 and 198,954.83

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Solution

The fourth proportional to 307,587.17, 424,680.17 and 198,954.83 is: 274,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,587.17 : 424,680.17 = 198,954.83 : x
  2. Step 2: Convert to fraction form
    307,587.17/424,680.17 = 198,954.83/x
  3. Step 3: Cross multiply
    307,587.17x = 424,680.17 × 198,954.83
  4. Step 4: Simplify right side
    307,587.17x = 84,492,167,908.55
  5. Step 5: Solve for x
    x = 84,492,167,908.55/307,587.17
  6. Step 6: Final answer
    x = 274,693.41

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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.