Home / 397,853.32-549,044.58-216,570.46

Finding the Fourth Proportional to 397,853.32, 549,044.58 and 216,570.46

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Solution

The fourth proportional to 397,853.32, 549,044.58 and 216,570.46 is: 298,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,853.32 : 549,044.58 = 216,570.46 : x
  2. Step 2: Convert to fraction form
    397,853.32/549,044.58 = 216,570.46/x
  3. Step 3: Cross multiply
    397,853.32x = 549,044.58 × 216,570.46
  4. Step 4: Simplify right side
    397,853.32x = 118,906,837,251.11
  5. Step 5: Solve for x
    x = 118,906,837,251.11/397,853.32
  6. Step 6: Final answer
    x = 298,871.04

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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.