Home / 292,965.12-439,447.68-278,006.04

Finding the Fourth Proportional to 292,965.12, 439,447.68 and 278,006.04

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Solution

The fourth proportional to 292,965.12, 439,447.68 and 278,006.04 is: 417,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,965.12 : 439,447.68 = 278,006.04 : x
  2. Step 2: Convert to fraction form
    292,965.12/439,447.68 = 278,006.04/x
  3. Step 3: Cross multiply
    292,965.12x = 439,447.68 × 278,006.04
  4. Step 4: Simplify right side
    292,965.12x = 122,169,109,303.99
  5. Step 5: Solve for x
    x = 122,169,109,303.99/292,965.12
  6. Step 6: Final answer
    x = 417,009.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.