Home / 1,681,062.78-2,319,855.60-955,910.55

Finding the Fourth Proportional to 1,681,062.78, 2,319,855.60 and 955,910.55

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Solution

The fourth proportional to 1,681,062.78, 2,319,855.60 and 955,910.55 is: 1,319,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,062.78 : 2,319,855.60 = 955,910.55 : x
  2. Step 2: Convert to fraction form
    1,681,062.78/2,319,855.60 = 955,910.55/x
  3. Step 3: Cross multiply
    1,681,062.78x = 2,319,855.60 × 955,910.55
  4. Step 4: Simplify right side
    1,681,062.78x = 2,217,574,442,516.58
  5. Step 5: Solve for x
    x = 2,217,574,442,516.58/1,681,062.78
  6. Step 6: Final answer
    x = 1,319,150.28

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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.