Home / 398,291.12-549,593.34-226,146.32

Finding the Fourth Proportional to 398,291.12, 549,593.34 and 226,146.32

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Solution

The fourth proportional to 398,291.12, 549,593.34 and 226,146.32 is: 312,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,291.12 : 549,593.34 = 226,146.32 : x
  2. Step 2: Convert to fraction form
    398,291.12/549,593.34 = 226,146.32/x
  3. Step 3: Cross multiply
    398,291.12x = 549,593.34 × 226,146.32
  4. Step 4: Simplify right side
    398,291.12x = 124,288,511,337.51
  5. Step 5: Solve for x
    x = 124,288,511,337.51/398,291.12
  6. Step 6: Final answer
    x = 312,054.44

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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.