Home / 466,237.32-643,401.36-262,287.60

Finding the Fourth Proportional to 466,237.32, 643,401.36 and 262,287.60

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Solution

The fourth proportional to 466,237.32, 643,401.36 and 262,287.60 is: 361,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,237.32 : 643,401.36 = 262,287.60 : x
  2. Step 2: Convert to fraction form
    466,237.32/643,401.36 = 262,287.60/x
  3. Step 3: Cross multiply
    466,237.32x = 643,401.36 × 262,287.60
  4. Step 4: Simplify right side
    466,237.32x = 168,756,198,551.14
  5. Step 5: Solve for x
    x = 168,756,198,551.14/466,237.32
  6. Step 6: Final answer
    x = 361,953.43

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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.