Home / 377,998.04-521,618.10-208,228.52

Finding the Fourth Proportional to 377,998.04, 521,618.10 and 208,228.52

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Solution

The fourth proportional to 377,998.04, 521,618.10 and 208,228.52 is: 287,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,998.04 : 521,618.10 = 208,228.52 : x
  2. Step 2: Convert to fraction form
    377,998.04/521,618.10 = 208,228.52/x
  3. Step 3: Cross multiply
    377,998.04x = 521,618.10 × 208,228.52
  4. Step 4: Simplify right side
    377,998.04x = 108,615,764,968.21
  5. Step 5: Solve for x
    x = 108,615,764,968.21/377,998.04
  6. Step 6: Final answer
    x = 287,344.78

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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.