Home / 398,378.94-549,521.19-237,126.30

Finding the Fourth Proportional to 398,378.94, 549,521.19 and 237,126.30

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Solution

The fourth proportional to 398,378.94, 549,521.19 and 237,126.30 is: 327,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,378.94 : 549,521.19 = 237,126.30 : x
  2. Step 2: Convert to fraction form
    398,378.94/549,521.19 = 237,126.30/x
  3. Step 3: Cross multiply
    398,378.94x = 549,521.19 × 237,126.30
  4. Step 4: Simplify right side
    398,378.94x = 130,305,926,556.30
  5. Step 5: Solve for x
    x = 130,305,926,556.30/398,378.94
  6. Step 6: Final answer
    x = 327,090.40

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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.