Home / 403,538.30-556,841.64-248,464.96

Finding the Fourth Proportional to 403,538.30, 556,841.64 and 248,464.96

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Solution

The fourth proportional to 403,538.30, 556,841.64 and 248,464.96 is: 342,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,538.30 : 556,841.64 = 248,464.96 : x
  2. Step 2: Convert to fraction form
    403,538.30/556,841.64 = 248,464.96/x
  3. Step 3: Cross multiply
    403,538.30x = 556,841.64 × 248,464.96
  4. Step 4: Simplify right side
    403,538.30x = 138,355,635,808.93
  5. Step 5: Solve for x
    x = 138,355,635,808.93/403,538.30
  6. Step 6: Final answer
    x = 342,856.27

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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.