Home / 1,653,677.60-2,479,204.20-905,723.60

Finding the Fourth Proportional to 1,653,677.60, 2,479,204.20 and 905,723.60

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Solution

The fourth proportional to 1,653,677.60, 2,479,204.20 and 905,723.60 is: 1,357,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,677.60 : 2,479,204.20 = 905,723.60 : x
  2. Step 2: Convert to fraction form
    1,653,677.60/2,479,204.20 = 905,723.60/x
  3. Step 3: Cross multiply
    1,653,677.60x = 2,479,204.20 × 905,723.60
  4. Step 4: Simplify right side
    1,653,677.60x = 2,245,473,753,159.12
  5. Step 5: Solve for x
    x = 2,245,473,753,159.12/1,653,677.60
  6. Step 6: Final answer
    x = 1,357,866.70

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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.