Home / 1,188,369.36-1,640,159.36-705,200.92

Finding the Fourth Proportional to 1,188,369.36, 1,640,159.36 and 705,200.92

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Solution

The fourth proportional to 1,188,369.36, 1,640,159.36 and 705,200.92 is: 973,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,369.36 : 1,640,159.36 = 705,200.92 : x
  2. Step 2: Convert to fraction form
    1,188,369.36/1,640,159.36 = 705,200.92/x
  3. Step 3: Cross multiply
    1,188,369.36x = 1,640,159.36 × 705,200.92
  4. Step 4: Simplify right side
    1,188,369.36x = 1,156,641,889,618.61
  5. Step 5: Solve for x
    x = 1,156,641,889,618.61/1,188,369.36
  6. Step 6: Final answer
    x = 973,301.68

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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.