Home / 376,440.56-519,259.92-223,378.10

Finding the Fourth Proportional to 376,440.56, 519,259.92 and 223,378.10

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Solution

The fourth proportional to 376,440.56, 519,259.92 and 223,378.10 is: 308,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,440.56 : 519,259.92 = 223,378.10 : x
  2. Step 2: Convert to fraction form
    376,440.56/519,259.92 = 223,378.10/x
  3. Step 3: Cross multiply
    376,440.56x = 519,259.92 × 223,378.10
  4. Step 4: Simplify right side
    376,440.56x = 115,991,294,335.75
  5. Step 5: Solve for x
    x = 115,991,294,335.75/376,440.56
  6. Step 6: Final answer
    x = 308,126.45

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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.