Home / 613,424.16-847,233.90-409,120.11

Finding the Fourth Proportional to 613,424.16, 847,233.90 and 409,120.11

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Solution

The fourth proportional to 613,424.16, 847,233.90 and 409,120.11 is: 565,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,424.16 : 847,233.90 = 409,120.11 : x
  2. Step 2: Convert to fraction form
    613,424.16/847,233.90 = 409,120.11/x
  3. Step 3: Cross multiply
    613,424.16x = 847,233.90 × 409,120.11
  4. Step 4: Simplify right side
    613,424.16x = 346,620,426,363.73
  5. Step 5: Solve for x
    x = 346,620,426,363.73/613,424.16
  6. Step 6: Final answer
    x = 565,058.32

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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.