Home / 968,543.82-1,336,608.45-538,863.93

Finding the Fourth Proportional to 968,543.82, 1,336,608.45 and 538,863.93

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Solution

The fourth proportional to 968,543.82, 1,336,608.45 and 538,863.93 is: 743,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,543.82 : 1,336,608.45 = 538,863.93 : x
  2. Step 2: Convert to fraction form
    968,543.82/1,336,608.45 = 538,863.93/x
  3. Step 3: Cross multiply
    968,543.82x = 1,336,608.45 × 538,863.93
  4. Step 4: Simplify right side
    968,543.82x = 720,250,082,238.21
  5. Step 5: Solve for x
    x = 720,250,082,238.21/968,543.82
  6. Step 6: Final answer
    x = 743,642.23

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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.