Home / 519,944.60-779,916.90-240,008.60

Finding the Fourth Proportional to 519,944.60, 779,916.90 and 240,008.60

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Solution

The fourth proportional to 519,944.60, 779,916.90 and 240,008.60 is: 360,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,944.60 : 779,916.90 = 240,008.60 : x
  2. Step 2: Convert to fraction form
    519,944.60/779,916.90 = 240,008.60/x
  3. Step 3: Cross multiply
    519,944.60x = 779,916.90 × 240,008.60
  4. Step 4: Simplify right side
    519,944.60x = 187,186,763,285.34
  5. Step 5: Solve for x
    x = 187,186,763,285.34/519,944.60
  6. Step 6: Final answer
    x = 360,012.90

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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.