Home / 1,177,886.72-1,767,354.96-616,790

Finding the Fourth Proportional to 1,177,886.72, 1,767,354.96 and 616,790

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Solution

The fourth proportional to 1,177,886.72, 1,767,354.96 and 616,790 is: 925,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,886.72 : 1,767,354.96 = 616,790 : x
  2. Step 2: Convert to fraction form
    1,177,886.72/1,767,354.96 = 616,790/x
  3. Step 3: Cross multiply
    1,177,886.72x = 1,767,354.96 × 616,790
  4. Step 4: Simplify right side
    1,177,886.72x = 1,090,086,865,778.40
  5. Step 5: Solve for x
    x = 1,090,086,865,778.40/1,177,886.72
  6. Step 6: Final answer
    x = 925,459.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.