Home / 961,170.96-1,326,362.40-531,425.28

Finding the Fourth Proportional to 961,170.96, 1,326,362.40 and 531,425.28

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Solution

The fourth proportional to 961,170.96, 1,326,362.40 and 531,425.28 is: 733,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,170.96 : 1,326,362.40 = 531,425.28 : x
  2. Step 2: Convert to fraction form
    961,170.96/1,326,362.40 = 531,425.28/x
  3. Step 3: Cross multiply
    961,170.96x = 1,326,362.40 × 531,425.28
  4. Step 4: Simplify right side
    961,170.96x = 704,862,509,801.47
  5. Step 5: Solve for x
    x = 704,862,509,801.47/961,170.96
  6. Step 6: Final answer
    x = 733,337.29

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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.