Home / 741,777.69-1,023,653.21-402,246.21

Finding the Fourth Proportional to 741,777.69, 1,023,653.21 and 402,246.21

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Solution

The fourth proportional to 741,777.69, 1,023,653.21 and 402,246.21 is: 555,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,777.69 : 1,023,653.21 = 402,246.21 : x
  2. Step 2: Convert to fraction form
    741,777.69/1,023,653.21 = 402,246.21/x
  3. Step 3: Cross multiply
    741,777.69x = 1,023,653.21 × 402,246.21
  4. Step 4: Simplify right side
    741,777.69x = 411,760,624,076.83
  5. Step 5: Solve for x
    x = 411,760,624,076.83/741,777.69
  6. Step 6: Final answer
    x = 555,099.77

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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.