Home / 765,103.71-1,147,719.81-232,629.35

Finding the Fourth Proportional to 765,103.71, 1,147,719.81 and 232,629.35

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Solution

The fourth proportional to 765,103.71, 1,147,719.81 and 232,629.35 is: 348,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,103.71 : 1,147,719.81 = 232,629.35 : x
  2. Step 2: Convert to fraction form
    765,103.71/1,147,719.81 = 232,629.35/x
  3. Step 3: Cross multiply
    765,103.71x = 1,147,719.81 × 232,629.35
  4. Step 4: Simplify right side
    765,103.71x = 266,993,307,643.82
  5. Step 5: Solve for x
    x = 266,993,307,643.82/765,103.71
  6. Step 6: Final answer
    x = 348,963.55

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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.