Home / 1,328,699.24-1,833,605.33-777,520.88

Finding the Fourth Proportional to 1,328,699.24, 1,833,605.33 and 777,520.88

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Solution

The fourth proportional to 1,328,699.24, 1,833,605.33 and 777,520.88 is: 1,072,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,699.24 : 1,833,605.33 = 777,520.88 : x
  2. Step 2: Convert to fraction form
    1,328,699.24/1,833,605.33 = 777,520.88/x
  3. Step 3: Cross multiply
    1,328,699.24x = 1,833,605.33 × 777,520.88
  4. Step 4: Simplify right side
    1,328,699.24x = 1,425,666,425,866.69
  5. Step 5: Solve for x
    x = 1,425,666,425,866.69/1,328,699.24
  6. Step 6: Final answer
    x = 1,072,979.04

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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.