Home / 1,623,691.40-2,435,690.70-441,739.40

Finding the Fourth Proportional to 1,623,691.40, 2,435,690.70 and 441,739.40

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Solution

The fourth proportional to 1,623,691.40, 2,435,690.70 and 441,739.40 is: 662,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,691.40 : 2,435,690.70 = 441,739.40 : x
  2. Step 2: Convert to fraction form
    1,623,691.40/2,435,690.70 = 441,739.40/x
  3. Step 3: Cross multiply
    1,623,691.40x = 2,435,690.70 × 441,739.40
  4. Step 4: Simplify right side
    1,623,691.40x = 1,075,940,548,403.58
  5. Step 5: Solve for x
    x = 1,075,940,548,403.58/1,623,691.40
  6. Step 6: Final answer
    x = 662,650.89

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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.