Home / 519,945.52-779,916.23-164,987.22

Finding the Fourth Proportional to 519,945.52, 779,916.23 and 164,987.22

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Solution

The fourth proportional to 519,945.52, 779,916.23 and 164,987.22 is: 247,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,945.52 : 779,916.23 = 164,987.22 : x
  2. Step 2: Convert to fraction form
    519,945.52/779,916.23 = 164,987.22/x
  3. Step 3: Cross multiply
    519,945.52x = 779,916.23 × 164,987.22
  4. Step 4: Simplify right side
    519,945.52x = 128,676,210,620.58
  5. Step 5: Solve for x
    x = 128,676,210,620.58/519,945.52
  6. Step 6: Final answer
    x = 247,480.18

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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.