Home / 1,891,923.66-2,835,421.17-768,679.50

Finding the Fourth Proportional to 1,891,923.66, 2,835,421.17 and 768,679.50

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Solution

The fourth proportional to 1,891,923.66, 2,835,421.17 and 768,679.50 is: 1,152,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,923.66 : 2,835,421.17 = 768,679.50 : x
  2. Step 2: Convert to fraction form
    1,891,923.66/2,835,421.17 = 768,679.50/x
  3. Step 3: Cross multiply
    1,891,923.66x = 2,835,421.17 × 768,679.50
  4. Step 4: Simplify right side
    1,891,923.66x = 2,179,530,127,245.02
  5. Step 5: Solve for x
    x = 2,179,530,127,245.02/1,891,923.66
  6. Step 6: Final answer
    x = 1,152,018.01

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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.