Home / 1,904,429.80-2,854,311.90-838,340.20

Finding the Fourth Proportional to 1,904,429.80, 2,854,311.90 and 838,340.20

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Solution

The fourth proportional to 1,904,429.80, 2,854,311.90 and 838,340.20 is: 1,256,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,429.80 : 2,854,311.90 = 838,340.20 : x
  2. Step 2: Convert to fraction form
    1,904,429.80/2,854,311.90 = 838,340.20/x
  3. Step 3: Cross multiply
    1,904,429.80x = 2,854,311.90 × 838,340.20
  4. Step 4: Simplify right side
    1,904,429.80x = 2,392,884,409,108.38
  5. Step 5: Solve for x
    x = 2,392,884,409,108.38/1,904,429.80
  6. Step 6: Final answer
    x = 1,256,483.39

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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.