Home / 702,943.05-1,054,196.64-253,605.57

Finding the Fourth Proportional to 702,943.05, 1,054,196.64 and 253,605.57

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Solution

The fourth proportional to 702,943.05, 1,054,196.64 and 253,605.57 is: 380,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,943.05 : 1,054,196.64 = 253,605.57 : x
  2. Step 2: Convert to fraction form
    702,943.05/1,054,196.64 = 253,605.57/x
  3. Step 3: Cross multiply
    702,943.05x = 1,054,196.64 × 253,605.57
  4. Step 4: Simplify right side
    702,943.05x = 267,350,139,779.29
  5. Step 5: Solve for x
    x = 267,350,139,779.29/702,943.05
  6. Step 6: Final answer
    x = 380,329.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.