Home / 964,139.83-1,445,756.44-356,508.31

Finding the Fourth Proportional to 964,139.83, 1,445,756.44 and 356,508.31

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Solution

The fourth proportional to 964,139.83, 1,445,756.44 and 356,508.31 is: 534,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,139.83 : 1,445,756.44 = 356,508.31 : x
  2. Step 2: Convert to fraction form
    964,139.83/1,445,756.44 = 356,508.31/x
  3. Step 3: Cross multiply
    964,139.83x = 1,445,756.44 × 356,508.31
  4. Step 4: Simplify right side
    964,139.83x = 515,424,185,096.02
  5. Step 5: Solve for x
    x = 515,424,185,096.02/964,139.83
  6. Step 6: Final answer
    x = 534,594.85

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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.