Home / 907,949.80-1,361,924.70-243,101.80

Finding the Fourth Proportional to 907,949.80, 1,361,924.70 and 243,101.80

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Solution

The fourth proportional to 907,949.80, 1,361,924.70 and 243,101.80 is: 364,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,949.80 : 1,361,924.70 = 243,101.80 : x
  2. Step 2: Convert to fraction form
    907,949.80/1,361,924.70 = 243,101.80/x
  3. Step 3: Cross multiply
    907,949.80x = 1,361,924.70 × 243,101.80
  4. Step 4: Simplify right side
    907,949.80x = 331,086,346,034.46
  5. Step 5: Solve for x
    x = 331,086,346,034.46/907,949.80
  6. Step 6: Final answer
    x = 364,652.70

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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.