Home / 376,359.39-519,139.73-223,289.24

Finding the Fourth Proportional to 376,359.39, 519,139.73 and 223,289.24

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Solution

The fourth proportional to 376,359.39, 519,139.73 and 223,289.24 is: 307,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,359.39 : 519,139.73 = 223,289.24 : x
  2. Step 2: Convert to fraction form
    376,359.39/519,139.73 = 223,289.24/x
  3. Step 3: Cross multiply
    376,359.39x = 519,139.73 × 223,289.24
  4. Step 4: Simplify right side
    376,359.39x = 115,918,313,728.03
  5. Step 5: Solve for x
    x = 115,918,313,728.03/376,359.39
  6. Step 6: Final answer
    x = 307,998.99

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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.