Home / 957,666.15-1,321,638.80-527,945.49

Finding the Fourth Proportional to 957,666.15, 1,321,638.80 and 527,945.49

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Solution

The fourth proportional to 957,666.15, 1,321,638.80 and 527,945.49 is: 728,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,666.15 : 1,321,638.80 = 527,945.49 : x
  2. Step 2: Convert to fraction form
    957,666.15/1,321,638.80 = 527,945.49/x
  3. Step 3: Cross multiply
    957,666.15x = 1,321,638.80 × 527,945.49
  4. Step 4: Simplify right side
    957,666.15x = 697,753,241,229.29
  5. Step 5: Solve for x
    x = 697,753,241,229.29/957,666.15
  6. Step 6: Final answer
    x = 728,597.58

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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.