Home / 558,364.73-770,680.19-316,788.71

Finding the Fourth Proportional to 558,364.73, 770,680.19 and 316,788.71

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Solution

The fourth proportional to 558,364.73, 770,680.19 and 316,788.71 is: 437,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,364.73 : 770,680.19 = 316,788.71 : x
  2. Step 2: Convert to fraction form
    558,364.73/770,680.19 = 316,788.71/x
  3. Step 3: Cross multiply
    558,364.73x = 770,680.19 × 316,788.71
  4. Step 4: Simplify right side
    558,364.73x = 244,142,783,212.66
  5. Step 5: Solve for x
    x = 244,142,783,212.66/558,364.73
  6. Step 6: Final answer
    x = 437,246.07

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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.