Home / 825,344.26-1,138,555.88-539,031.94

Finding the Fourth Proportional to 825,344.26, 1,138,555.88 and 539,031.94

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Solution

The fourth proportional to 825,344.26, 1,138,555.88 and 539,031.94 is: 743,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,344.26 : 1,138,555.88 = 539,031.94 : x
  2. Step 2: Convert to fraction form
    825,344.26/1,138,555.88 = 539,031.94/x
  3. Step 3: Cross multiply
    825,344.26x = 1,138,555.88 × 539,031.94
  4. Step 4: Simplify right side
    825,344.26x = 613,717,979,102.03
  5. Step 5: Solve for x
    x = 613,717,979,102.03/825,344.26
  6. Step 6: Final answer
    x = 743,590.30

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Double scale
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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.