Home / 1,189,122.64-1,640,522.10-679,551.64

Finding the Fourth Proportional to 1,189,122.64, 1,640,522.10 and 679,551.64

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Solution

The fourth proportional to 1,189,122.64, 1,640,522.10 and 679,551.64 is: 937,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,122.64 : 1,640,522.10 = 679,551.64 : x
  2. Step 2: Convert to fraction form
    1,189,122.64/1,640,522.10 = 679,551.64/x
  3. Step 3: Cross multiply
    1,189,122.64x = 1,640,522.10 × 679,551.64
  4. Step 4: Simplify right side
    1,189,122.64x = 1,114,819,483,511.24
  5. Step 5: Solve for x
    x = 1,114,819,483,511.24/1,189,122.64
  6. Step 6: Final answer
    x = 937,514.30

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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.