Home / 1,443,830.67-1,991,614.64-927,410.72

Finding the Fourth Proportional to 1,443,830.67, 1,991,614.64 and 927,410.72

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Solution

The fourth proportional to 1,443,830.67, 1,991,614.64 and 927,410.72 is: 1,279,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,830.67 : 1,991,614.64 = 927,410.72 : x
  2. Step 2: Convert to fraction form
    1,443,830.67/1,991,614.64 = 927,410.72/x
  3. Step 3: Cross multiply
    1,443,830.67x = 1,991,614.64 × 927,410.72
  4. Step 4: Simplify right side
    1,443,830.67x = 1,847,044,752,649.81
  5. Step 5: Solve for x
    x = 1,847,044,752,649.81/1,443,830.67
  6. Step 6: Final answer
    x = 1,279,266.88

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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.