Home / 774,491.88-1,068,795.31-430,383.84

Finding the Fourth Proportional to 774,491.88, 1,068,795.31 and 430,383.84

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Solution

The fourth proportional to 774,491.88, 1,068,795.31 and 430,383.84 is: 593,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,491.88 : 1,068,795.31 = 430,383.84 : x
  2. Step 2: Convert to fraction form
    774,491.88/1,068,795.31 = 430,383.84/x
  3. Step 3: Cross multiply
    774,491.88x = 1,068,795.31 × 430,383.84
  4. Step 4: Simplify right side
    774,491.88x = 459,992,229,691.79
  5. Step 5: Solve for x
    x = 459,992,229,691.79/774,491.88
  6. Step 6: Final answer
    x = 593,927.76

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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.