Home / 767,538.60-1,059,204.34-423,366.84

Finding the Fourth Proportional to 767,538.60, 1,059,204.34 and 423,366.84

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Solution

The fourth proportional to 767,538.60, 1,059,204.34 and 423,366.84 is: 584,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,538.60 : 1,059,204.34 = 423,366.84 : x
  2. Step 2: Convert to fraction form
    767,538.60/1,059,204.34 = 423,366.84/x
  3. Step 3: Cross multiply
    767,538.60x = 1,059,204.34 × 423,366.84
  4. Step 4: Simplify right side
    767,538.60x = 448,431,994,340.09
  5. Step 5: Solve for x
    x = 448,431,994,340.09/767,538.60
  6. Step 6: Final answer
    x = 584,246.83

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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.