Home / 964,407.56-1,443,773.53-643,764.11

Finding the Fourth Proportional to 964,407.56, 1,443,773.53 and 643,764.11

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Solution

The fourth proportional to 964,407.56, 1,443,773.53 and 643,764.11 is: 963,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,407.56 : 1,443,773.53 = 643,764.11 : x
  2. Step 2: Convert to fraction form
    964,407.56/1,443,773.53 = 643,764.11/x
  3. Step 3: Cross multiply
    964,407.56x = 1,443,773.53 × 643,764.11
  4. Step 4: Simplify right side
    964,407.56x = 929,449,583,582.03
  5. Step 5: Solve for x
    x = 929,449,583,582.03/964,407.56
  6. Step 6: Final answer
    x = 963,751.86

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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.