Home / 515,945.10-773,658.45-235,145.10

Finding the Fourth Proportional to 515,945.10, 773,658.45 and 235,145.10

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Solution

The fourth proportional to 515,945.10, 773,658.45 and 235,145.10 is: 352,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,945.10 : 773,658.45 = 235,145.10 : x
  2. Step 2: Convert to fraction form
    515,945.10/773,658.45 = 235,145.10/x
  3. Step 3: Cross multiply
    515,945.10x = 773,658.45 × 235,145.10
  4. Step 4: Simplify right side
    515,945.10x = 181,921,993,591.10
  5. Step 5: Solve for x
    x = 181,921,993,591.10/515,945.10
  6. Step 6: Final answer
    x = 352,599.52

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Double scale
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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.