Home / 1,342,515.47-2,013,770.77-396,550.49

Finding the Fourth Proportional to 1,342,515.47, 2,013,770.77 and 396,550.49

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Solution

The fourth proportional to 1,342,515.47, 2,013,770.77 and 396,550.49 is: 594,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,515.47 : 2,013,770.77 = 396,550.49 : x
  2. Step 2: Convert to fraction form
    1,342,515.47/2,013,770.77 = 396,550.49/x
  3. Step 3: Cross multiply
    1,342,515.47x = 2,013,770.77 × 396,550.49
  4. Step 4: Simplify right side
    1,342,515.47x = 798,561,774,530.95
  5. Step 5: Solve for x
    x = 798,561,774,530.95/1,342,515.47
  6. Step 6: Final answer
    x = 594,825.01

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Double scale
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Similar ratio
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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.