Home / 723,579.54-998,601.11-401,393.45

Finding the Fourth Proportional to 723,579.54, 998,601.11 and 401,393.45

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Solution

The fourth proportional to 723,579.54, 998,601.11 and 401,393.45 is: 553,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,579.54 : 998,601.11 = 401,393.45 : x
  2. Step 2: Convert to fraction form
    723,579.54/998,601.11 = 401,393.45/x
  3. Step 3: Cross multiply
    723,579.54x = 998,601.11 × 401,393.45
  4. Step 4: Simplify right side
    723,579.54x = 400,831,937,716.76
  5. Step 5: Solve for x
    x = 400,831,937,716.76/723,579.54
  6. Step 6: Final answer
    x = 553,956.98

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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.