Home / 1,191,777.60-1,644,685.53-647,949.98

Finding the Fourth Proportional to 1,191,777.60, 1,644,685.53 and 647,949.98

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Solution

The fourth proportional to 1,191,777.60, 1,644,685.53 and 647,949.98 is: 894,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,777.60 : 1,644,685.53 = 647,949.98 : x
  2. Step 2: Convert to fraction form
    1,191,777.60/1,644,685.53 = 647,949.98/x
  3. Step 3: Cross multiply
    1,191,777.60x = 1,644,685.53 × 647,949.98
  4. Step 4: Simplify right side
    1,191,777.60x = 1,065,673,956,269.79
  5. Step 5: Solve for x
    x = 1,065,673,956,269.79/1,191,777.60
  6. Step 6: Final answer
    x = 894,188.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.