Home / 827,315.12-1,141,570.50-464,669.52

Finding the Fourth Proportional to 827,315.12, 1,141,570.50 and 464,669.52

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Solution

The fourth proportional to 827,315.12, 1,141,570.50 and 464,669.52 is: 641,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,315.12 : 1,141,570.50 = 464,669.52 : x
  2. Step 2: Convert to fraction form
    827,315.12/1,141,570.50 = 464,669.52/x
  3. Step 3: Cross multiply
    827,315.12x = 1,141,570.50 × 464,669.52
  4. Step 4: Simplify right side
    827,315.12x = 530,453,016,281.16
  5. Step 5: Solve for x
    x = 530,453,016,281.16/827,315.12
  6. Step 6: Final answer
    x = 641,174.09

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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.