Home / 615,514.43-849,793.94-397,837.05

Finding the Fourth Proportional to 615,514.43, 849,793.94 and 397,837.05

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Solution

The fourth proportional to 615,514.43, 849,793.94 and 397,837.05 is: 549,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,514.43 : 849,793.94 = 397,837.05 : x
  2. Step 2: Convert to fraction form
    615,514.43/849,793.94 = 397,837.05/x
  3. Step 3: Cross multiply
    615,514.43x = 849,793.94 × 397,837.05
  4. Step 4: Simplify right side
    615,514.43x = 338,079,512,208.29
  5. Step 5: Solve for x
    x = 338,079,512,208.29/615,514.43
  6. Step 6: Final answer
    x = 549,263.35

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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.