Home / 779,772.72-1,166,997.77-653,555.49

Finding the Fourth Proportional to 779,772.72, 1,166,997.77 and 653,555.49

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Solution

The fourth proportional to 779,772.72, 1,166,997.77 and 653,555.49 is: 978,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,772.72 : 1,166,997.77 = 653,555.49 : x
  2. Step 2: Convert to fraction form
    779,772.72/1,166,997.77 = 653,555.49/x
  3. Step 3: Cross multiply
    779,772.72x = 1,166,997.77 × 653,555.49
  4. Step 4: Simplify right side
    779,772.72x = 762,697,799,401.26
  5. Step 5: Solve for x
    x = 762,697,799,401.26/779,772.72
  6. Step 6: Final answer
    x = 978,102.70

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1.5x scale

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.