Home / 1,188,365.87-1,640,154.52-705,197.43

Finding the Fourth Proportional to 1,188,365.87, 1,640,154.52 and 705,197.43

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Solution

The fourth proportional to 1,188,365.87, 1,640,154.52 and 705,197.43 is: 973,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,365.87 : 1,640,154.52 = 705,197.43 : x
  2. Step 2: Convert to fraction form
    1,188,365.87/1,640,154.52 = 705,197.43/x
  3. Step 3: Cross multiply
    1,188,365.87x = 1,640,154.52 × 705,197.43
  4. Step 4: Simplify right side
    1,188,365.87x = 1,156,632,744,106.11
  5. Step 5: Solve for x
    x = 1,156,632,744,106.11/1,188,365.87
  6. Step 6: Final answer
    x = 973,296.84

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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.