Home / 782,938-1,174,465.56-222,017.68

Finding the Fourth Proportional to 782,938, 1,174,465.56 and 222,017.68

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Solution

The fourth proportional to 782,938, 1,174,465.56 and 222,017.68 is: 333,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,938 : 1,174,465.56 = 222,017.68 : x
  2. Step 2: Convert to fraction form
    782,938/1,174,465.56 = 222,017.68/x
  3. Step 3: Cross multiply
    782,938x = 1,174,465.56 × 222,017.68
  4. Step 4: Simplify right side
    782,938x = 260,752,118,871.10
  5. Step 5: Solve for x
    x = 260,752,118,871.10/782,938
  6. Step 6: Final answer
    x = 333,043.13

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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.