Home / 400,401.17-553,153.76-262,906.29

Finding the Fourth Proportional to 400,401.17, 553,153.76 and 262,906.29

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Solution

The fourth proportional to 400,401.17, 553,153.76 and 262,906.29 is: 363,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,401.17 : 553,153.76 = 262,906.29 : x
  2. Step 2: Convert to fraction form
    400,401.17/553,153.76 = 262,906.29/x
  3. Step 3: Cross multiply
    400,401.17x = 553,153.76 × 262,906.29
  4. Step 4: Simplify right side
    400,401.17x = 145,427,601,526.62
  5. Step 5: Solve for x
    x = 145,427,601,526.62/400,401.17
  6. Step 6: Final answer
    x = 363,204.74

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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.