Home / 1,188,833.64-1,640,590.23-679,546.98

Finding the Fourth Proportional to 1,188,833.64, 1,640,590.23 and 679,546.98

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Solution

The fourth proportional to 1,188,833.64, 1,640,590.23 and 679,546.98 is: 937,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,833.64 : 1,640,590.23 = 679,546.98 : x
  2. Step 2: Convert to fraction form
    1,188,833.64/1,640,590.23 = 679,546.98/x
  3. Step 3: Cross multiply
    1,188,833.64x = 1,640,590.23 × 679,546.98
  4. Step 4: Simplify right side
    1,188,833.64x = 1,114,858,136,214.01
  5. Step 5: Solve for x
    x = 1,114,858,136,214.01/1,188,833.64
  6. Step 6: Final answer
    x = 937,774.72

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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.