Home / 964,407.66-1,443,773.69-643,764.22

Finding the Fourth Proportional to 964,407.66, 1,443,773.69 and 643,764.22

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Solution

The fourth proportional to 964,407.66, 1,443,773.69 and 643,764.22 is: 963,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,407.66 : 1,443,773.69 = 643,764.22 : x
  2. Step 2: Convert to fraction form
    964,407.66/1,443,773.69 = 643,764.22/x
  3. Step 3: Cross multiply
    964,407.66x = 1,443,773.69 × 643,764.22
  4. Step 4: Simplify right side
    964,407.66x = 929,449,845,313.48
  5. Step 5: Solve for x
    x = 929,449,845,313.48/964,407.66
  6. Step 6: Final answer
    x = 963,752.03

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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.