Home / 1,092,192.20-1,638,288.30-619,800.20

Finding the Fourth Proportional to 1,092,192.20, 1,638,288.30 and 619,800.20

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Solution

The fourth proportional to 1,092,192.20, 1,638,288.30 and 619,800.20 is: 929,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,192.20 : 1,638,288.30 = 619,800.20 : x
  2. Step 2: Convert to fraction form
    1,092,192.20/1,638,288.30 = 619,800.20/x
  3. Step 3: Cross multiply
    1,092,192.20x = 1,638,288.30 × 619,800.20
  4. Step 4: Simplify right side
    1,092,192.20x = 1,015,411,415,997.66
  5. Step 5: Solve for x
    x = 1,015,411,415,997.66/1,092,192.20
  6. Step 6: Final answer
    x = 929,700.30

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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.