Home / 745,145-1,117,822.62-239,536.52

Finding the Fourth Proportional to 745,145, 1,117,822.62 and 239,536.52

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Solution

The fourth proportional to 745,145, 1,117,822.62 and 239,536.52 is: 359,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,145 : 1,117,822.62 = 239,536.52 : x
  2. Step 2: Convert to fraction form
    745,145/1,117,822.62 = 239,536.52/x
  3. Step 3: Cross multiply
    745,145x = 1,117,822.62 × 239,536.52
  4. Step 4: Simplify right side
    745,145x = 267,759,340,372.08
  5. Step 5: Solve for x
    x = 267,759,340,372.08/745,145
  6. Step 6: Final answer
    x = 359,338.57

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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.