Home / 723,334.08-998,196.12-401,044.20

Finding the Fourth Proportional to 723,334.08, 998,196.12 and 401,044.20

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Solution

The fourth proportional to 723,334.08, 998,196.12 and 401,044.20 is: 553,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,334.08 : 998,196.12 = 401,044.20 : x
  2. Step 2: Convert to fraction form
    723,334.08/998,196.12 = 401,044.20/x
  3. Step 3: Cross multiply
    723,334.08x = 998,196.12 × 401,044.20
  4. Step 4: Simplify right side
    723,334.08x = 400,320,764,388.50
  5. Step 5: Solve for x
    x = 400,320,764,388.50/723,334.08
  6. Step 6: Final answer
    x = 553,438.27

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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.