Home / 964,576.18-1,331,109.75-534,919.78

Finding the Fourth Proportional to 964,576.18, 1,331,109.75 and 534,919.78

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Solution

The fourth proportional to 964,576.18, 1,331,109.75 and 534,919.78 is: 738,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,576.18 : 1,331,109.75 = 534,919.78 : x
  2. Step 2: Convert to fraction form
    964,576.18/1,331,109.75 = 534,919.78/x
  3. Step 3: Cross multiply
    964,576.18x = 1,331,109.75 × 534,919.78
  4. Step 4: Simplify right side
    964,576.18x = 712,036,934,625.86
  5. Step 5: Solve for x
    x = 712,036,934,625.86/964,576.18
  6. Step 6: Final answer
    x = 738,186.31

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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.