Home / 591,848.06-816,749.78-319,915.94

Finding the Fourth Proportional to 591,848.06, 816,749.78 and 319,915.94

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Solution

The fourth proportional to 591,848.06, 816,749.78 and 319,915.94 is: 441,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,848.06 : 816,749.78 = 319,915.94 : x
  2. Step 2: Convert to fraction form
    591,848.06/816,749.78 = 319,915.94/x
  3. Step 3: Cross multiply
    591,848.06x = 816,749.78 × 319,915.94
  4. Step 4: Simplify right side
    591,848.06x = 261,291,267,930.17
  5. Step 5: Solve for x
    x = 261,291,267,930.17/591,848.06
  6. Step 6: Final answer
    x = 441,483.70

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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.