Home / 360,819.58-497,918.76-199,681.42

Finding the Fourth Proportional to 360,819.58, 497,918.76 and 199,681.42

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Solution

The fourth proportional to 360,819.58, 497,918.76 and 199,681.42 is: 275,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,819.58 : 497,918.76 = 199,681.42 : x
  2. Step 2: Convert to fraction form
    360,819.58/497,918.76 = 199,681.42/x
  3. Step 3: Cross multiply
    360,819.58x = 497,918.76 × 199,681.42
  4. Step 4: Simplify right side
    360,819.58x = 99,425,125,041.44
  5. Step 5: Solve for x
    x = 99,425,125,041.44/360,819.58
  6. Step 6: Final answer
    x = 275,553.57

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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.