Home / 398,290.12-549,591.96-226,145.32

Finding the Fourth Proportional to 398,290.12, 549,591.96 and 226,145.32

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Solution

The fourth proportional to 398,290.12, 549,591.96 and 226,145.32 is: 312,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,290.12 : 549,591.96 = 226,145.32 : x
  2. Step 2: Convert to fraction form
    398,290.12/549,591.96 = 226,145.32/x
  3. Step 3: Cross multiply
    398,290.12x = 549,591.96 × 226,145.32
  4. Step 4: Simplify right side
    398,290.12x = 124,287,649,663.63
  5. Step 5: Solve for x
    x = 124,287,649,663.63/398,290.12
  6. Step 6: Final answer
    x = 312,053.06

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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.