Home / 1,840,766.64-2,761,814.40-642,865.68

Finding the Fourth Proportional to 1,840,766.64, 2,761,814.40 and 642,865.68

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Solution

The fourth proportional to 1,840,766.64, 2,761,814.40 and 642,865.68 is: 964,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,766.64 : 2,761,814.40 = 642,865.68 : x
  2. Step 2: Convert to fraction form
    1,840,766.64/2,761,814.40 = 642,865.68/x
  3. Step 3: Cross multiply
    1,840,766.64x = 2,761,814.40 × 642,865.68
  4. Step 4: Simplify right side
    1,840,766.64x = 1,775,475,692,289.79
  5. Step 5: Solve for x
    x = 1,775,475,692,289.79/1,840,766.64
  6. Step 6: Final answer
    x = 964,530.57

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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.