Home / 1,188,369.96-1,640,160.18-705,201.51

Finding the Fourth Proportional to 1,188,369.96, 1,640,160.18 and 705,201.51

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Solution

The fourth proportional to 1,188,369.96, 1,640,160.18 and 705,201.51 is: 973,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,369.96 : 1,640,160.18 = 705,201.51 : x
  2. Step 2: Convert to fraction form
    1,188,369.96/1,640,160.18 = 705,201.51/x
  3. Step 3: Cross multiply
    1,188,369.96x = 1,640,160.18 × 705,201.51
  4. Step 4: Simplify right side
    1,188,369.96x = 1,156,643,435,577.87
  5. Step 5: Solve for x
    x = 1,156,643,435,577.87/1,188,369.96
  6. Step 6: Final answer
    x = 973,302.49

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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.