Home / 519,946.52-779,917.72-164,988.22

Finding the Fourth Proportional to 519,946.52, 779,917.72 and 164,988.22

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Solution

The fourth proportional to 519,946.52, 779,917.72 and 164,988.22 is: 247,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,946.52 : 779,917.72 = 164,988.22 : x
  2. Step 2: Convert to fraction form
    519,946.52/779,917.72 = 164,988.22/x
  3. Step 3: Cross multiply
    519,946.52x = 779,917.72 × 164,988.22
  4. Step 4: Simplify right side
    519,946.52x = 128,677,236,369.26
  5. Step 5: Solve for x
    x = 128,677,236,369.26/519,946.52
  6. Step 6: Final answer
    x = 247,481.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.