Home / 468,815.38-646,965.26-253,955.46

Finding the Fourth Proportional to 468,815.38, 646,965.26 and 253,955.46

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Solution

The fourth proportional to 468,815.38, 646,965.26 and 253,955.46 is: 350,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,815.38 : 646,965.26 = 253,955.46 : x
  2. Step 2: Convert to fraction form
    468,815.38/646,965.26 = 253,955.46/x
  3. Step 3: Cross multiply
    468,815.38x = 646,965.26 × 253,955.46
  4. Step 4: Simplify right side
    468,815.38x = 164,300,360,207.32
  5. Step 5: Solve for x
    x = 164,300,360,207.32/468,815.38
  6. Step 6: Final answer
    x = 350,458.55

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1.5x scale

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.