Home / 875,734.50-1,208,514.13-488,549.92

Finding the Fourth Proportional to 875,734.50, 1,208,514.13 and 488,549.92

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Solution

The fourth proportional to 875,734.50, 1,208,514.13 and 488,549.92 is: 674,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,734.50 : 1,208,514.13 = 488,549.92 : x
  2. Step 2: Convert to fraction form
    875,734.50/1,208,514.13 = 488,549.92/x
  3. Step 3: Cross multiply
    875,734.50x = 1,208,514.13 × 488,549.92
  4. Step 4: Simplify right side
    875,734.50x = 590,419,481,530.37
  5. Step 5: Solve for x
    x = 590,419,481,530.37/875,734.50
  6. Step 6: Final answer
    x = 674,199.18

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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.