Home / 434,126.28-650,664.54-223,649.40

Finding the Fourth Proportional to 434,126.28, 650,664.54 and 223,649.40

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Solution

The fourth proportional to 434,126.28, 650,664.54 and 223,649.40 is: 335,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,126.28 : 650,664.54 = 223,649.40 : x
  2. Step 2: Convert to fraction form
    434,126.28/650,664.54 = 223,649.40/x
  3. Step 3: Cross multiply
    434,126.28x = 650,664.54 × 223,649.40
  4. Step 4: Simplify right side
    434,126.28x = 145,520,733,972.28
  5. Step 5: Solve for x
    x = 145,520,733,972.28/434,126.28
  6. Step 6: Final answer
    x = 335,203.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.