Home / 805,537.50-1,111,618.08-442,960.98

Finding the Fourth Proportional to 805,537.50, 1,111,618.08 and 442,960.98

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Solution

The fourth proportional to 805,537.50, 1,111,618.08 and 442,960.98 is: 611,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,537.50 : 1,111,618.08 = 442,960.98 : x
  2. Step 2: Convert to fraction form
    805,537.50/1,111,618.08 = 442,960.98/x
  3. Step 3: Cross multiply
    805,537.50x = 1,111,618.08 × 442,960.98
  4. Step 4: Simplify right side
    805,537.50x = 492,403,434,102.52
  5. Step 5: Solve for x
    x = 492,403,434,102.52/805,537.50
  6. Step 6: Final answer
    x = 611,273.14

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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.