Home / 1,123,963.15-1,685,500.93-449,918.81

Finding the Fourth Proportional to 1,123,963.15, 1,685,500.93 and 449,918.81

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Solution

The fourth proportional to 1,123,963.15, 1,685,500.93 and 449,918.81 is: 674,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,963.15 : 1,685,500.93 = 449,918.81 : x
  2. Step 2: Convert to fraction form
    1,123,963.15/1,685,500.93 = 449,918.81/x
  3. Step 3: Cross multiply
    1,123,963.15x = 1,685,500.93 × 449,918.81
  4. Step 4: Simplify right side
    1,123,963.15x = 758,338,570,429.90
  5. Step 5: Solve for x
    x = 758,338,570,429.90/1,123,963.15
  6. Step 6: Final answer
    x = 674,700.57

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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.