Home / 1,443,101.92-2,164,043.88-432,367.58

Finding the Fourth Proportional to 1,443,101.92, 2,164,043.88 and 432,367.58

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Solution

The fourth proportional to 1,443,101.92, 2,164,043.88 and 432,367.58 is: 648,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,101.92 : 2,164,043.88 = 432,367.58 : x
  2. Step 2: Convert to fraction form
    1,443,101.92/2,164,043.88 = 432,367.58/x
  3. Step 3: Cross multiply
    1,443,101.92x = 2,164,043.88 × 432,367.58
  4. Step 4: Simplify right side
    1,443,101.92x = 935,662,415,409.41
  5. Step 5: Solve for x
    x = 935,662,415,409.41/1,443,101.92
  6. Step 6: Final answer
    x = 648,368.91

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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.