Home / 798,863.10-1,197,711.45-325,304.70

Finding the Fourth Proportional to 798,863.10, 1,197,711.45 and 325,304.70

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Solution

The fourth proportional to 798,863.10, 1,197,711.45 and 325,304.70 is: 487,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,863.10 : 1,197,711.45 = 325,304.70 : x
  2. Step 2: Convert to fraction form
    798,863.10/1,197,711.45 = 325,304.70/x
  3. Step 3: Cross multiply
    798,863.10x = 1,197,711.45 × 325,304.70
  4. Step 4: Simplify right side
    798,863.10x = 389,621,163,928.82
  5. Step 5: Solve for x
    x = 389,621,163,928.82/798,863.10
  6. Step 6: Final answer
    x = 487,719.57

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Double scale
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1.5x scale

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.