Home / 1,442,109.71-2,162,999.31-377,254.55

Finding the Fourth Proportional to 1,442,109.71, 2,162,999.31 and 377,254.55

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Solution

The fourth proportional to 1,442,109.71, 2,162,999.31 and 377,254.55 is: 565,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,109.71 : 2,162,999.31 = 377,254.55 : x
  2. Step 2: Convert to fraction form
    1,442,109.71/2,162,999.31 = 377,254.55/x
  3. Step 3: Cross multiply
    1,442,109.71x = 2,162,999.31 × 377,254.55
  4. Step 4: Simplify right side
    1,442,109.71x = 816,001,320,529.36
  5. Step 5: Solve for x
    x = 816,001,320,529.36/1,442,109.71
  6. Step 6: Final answer
    x = 565,838.59

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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.