Home / 1,107,086.20-1,660,143.30-507,848.20

Finding the Fourth Proportional to 1,107,086.20, 1,660,143.30 and 507,848.20

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Solution

The fourth proportional to 1,107,086.20, 1,660,143.30 and 507,848.20 is: 761,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,086.20 : 1,660,143.30 = 507,848.20 : x
  2. Step 2: Convert to fraction form
    1,107,086.20/1,660,143.30 = 507,848.20/x
  3. Step 3: Cross multiply
    1,107,086.20x = 1,660,143.30 × 507,848.20
  4. Step 4: Simplify right side
    1,107,086.20x = 843,100,786,647.06
  5. Step 5: Solve for x
    x = 843,100,786,647.06/1,107,086.20
  6. Step 6: Final answer
    x = 761,549.36

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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.