Home / 403,098.72-556,090.11-259,904.76

Finding the Fourth Proportional to 403,098.72, 556,090.11 and 259,904.76

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Solution

The fourth proportional to 403,098.72, 556,090.11 and 259,904.76 is: 358,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,098.72 : 556,090.11 = 259,904.76 : x
  2. Step 2: Convert to fraction form
    403,098.72/556,090.11 = 259,904.76/x
  3. Step 3: Cross multiply
    403,098.72x = 556,090.11 × 259,904.76
  4. Step 4: Simplify right side
    403,098.72x = 144,530,466,577.92
  5. Step 5: Solve for x
    x = 144,530,466,577.92/403,098.72
  6. Step 6: Final answer
    x = 358,548.56

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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.