Home / 1,234,200.30-1,851,300.45-759,345.90

Finding the Fourth Proportional to 1,234,200.30, 1,851,300.45 and 759,345.90

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Solution

The fourth proportional to 1,234,200.30, 1,851,300.45 and 759,345.90 is: 1,139,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,200.30 : 1,851,300.45 = 759,345.90 : x
  2. Step 2: Convert to fraction form
    1,234,200.30/1,851,300.45 = 759,345.90/x
  3. Step 3: Cross multiply
    1,234,200.30x = 1,851,300.45 × 759,345.90
  4. Step 4: Simplify right side
    1,234,200.30x = 1,405,777,406,375.66
  5. Step 5: Solve for x
    x = 1,405,777,406,375.66/1,234,200.30
  6. Step 6: Final answer
    x = 1,139,018.85

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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.