Home / 468,719.51-646,829.71-253,854.66

Finding the Fourth Proportional to 468,719.51, 646,829.71 and 253,854.66

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Solution

The fourth proportional to 468,719.51, 646,829.71 and 253,854.66 is: 350,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,719.51 : 646,829.71 = 253,854.66 : x
  2. Step 2: Convert to fraction form
    468,719.51/646,829.71 = 253,854.66/x
  3. Step 3: Cross multiply
    468,719.51x = 646,829.71 × 253,854.66
  4. Step 4: Simplify right side
    468,719.51x = 164,200,735,475.31
  5. Step 5: Solve for x
    x = 164,200,735,475.31/468,719.51
  6. Step 6: Final answer
    x = 350,317.69

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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.