Home / 1,209,195.60-1,814,959.80-610,832.40

Finding the Fourth Proportional to 1,209,195.60, 1,814,959.80 and 610,832.40

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Solution

The fourth proportional to 1,209,195.60, 1,814,959.80 and 610,832.40 is: 916,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,195.60 : 1,814,959.80 = 610,832.40 : x
  2. Step 2: Convert to fraction form
    1,209,195.60/1,814,959.80 = 610,832.40/x
  3. Step 3: Cross multiply
    1,209,195.60x = 1,814,959.80 × 610,832.40
  4. Step 4: Simplify right side
    1,209,195.60x = 1,108,636,250,537.52
  5. Step 5: Solve for x
    x = 1,108,636,250,537.52/1,209,195.60
  6. Step 6: Final answer
    x = 916,837.81

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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.