Home / 1,189,151.64-1,640,562.12-679,580.64

Finding the Fourth Proportional to 1,189,151.64, 1,640,562.12 and 679,580.64

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Solution

The fourth proportional to 1,189,151.64, 1,640,562.12 and 679,580.64 is: 937,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,151.64 : 1,640,562.12 = 679,580.64 : x
  2. Step 2: Convert to fraction form
    1,189,151.64/1,640,562.12 = 679,580.64/x
  3. Step 3: Cross multiply
    1,189,151.64x = 1,640,562.12 × 679,580.64
  4. Step 4: Simplify right side
    1,189,151.64x = 1,114,894,255,469.36
  5. Step 5: Solve for x
    x = 1,114,894,255,469.36/1,189,151.64
  6. Step 6: Final answer
    x = 937,554.32

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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.