Home / 353,514.70-487,849.62-200,582.92

Finding the Fourth Proportional to 353,514.70, 487,849.62 and 200,582.92

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Solution

The fourth proportional to 353,514.70, 487,849.62 and 200,582.92 is: 276,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,514.70 : 487,849.62 = 200,582.92 : x
  2. Step 2: Convert to fraction form
    353,514.70/487,849.62 = 200,582.92/x
  3. Step 3: Cross multiply
    353,514.70x = 487,849.62 × 200,582.92
  4. Step 4: Simplify right side
    353,514.70x = 97,854,301,300.49
  5. Step 5: Solve for x
    x = 97,854,301,300.49/353,514.70
  6. Step 6: Final answer
    x = 276,804.05

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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.