Home / 498,286.41-688,027.05-401,181.81

Finding the Fourth Proportional to 498,286.41, 688,027.05 and 401,181.81

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Solution

The fourth proportional to 498,286.41, 688,027.05 and 401,181.81 is: 553,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,286.41 : 688,027.05 = 401,181.81 : x
  2. Step 2: Convert to fraction form
    498,286.41/688,027.05 = 401,181.81/x
  3. Step 3: Cross multiply
    498,286.41x = 688,027.05 × 401,181.81
  4. Step 4: Simplify right side
    498,286.41x = 276,023,937,247.96
  5. Step 5: Solve for x
    x = 276,023,937,247.96/498,286.41
  6. Step 6: Final answer
    x = 553,946.35

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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.