Home / 541,386.98-746,942.28-314,988.74

Finding the Fourth Proportional to 541,386.98, 746,942.28 and 314,988.74

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Solution

The fourth proportional to 541,386.98, 746,942.28 and 314,988.74 is: 434,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,386.98 : 746,942.28 = 314,988.74 : x
  2. Step 2: Convert to fraction form
    541,386.98/746,942.28 = 314,988.74/x
  3. Step 3: Cross multiply
    541,386.98x = 746,942.28 × 314,988.74
  4. Step 4: Simplify right side
    541,386.98x = 235,278,407,629.93
  5. Step 5: Solve for x
    x = 235,278,407,629.93/541,386.98
  6. Step 6: Final answer
    x = 434,584.53

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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.