Home / 508,914.36-763,519.27-205,151.73

Finding the Fourth Proportional to 508,914.36, 763,519.27 and 205,151.73

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Solution

The fourth proportional to 508,914.36, 763,519.27 and 205,151.73 is: 307,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,914.36 : 763,519.27 = 205,151.73 : x
  2. Step 2: Convert to fraction form
    508,914.36/763,519.27 = 205,151.73/x
  3. Step 3: Cross multiply
    508,914.36x = 763,519.27 × 205,151.73
  4. Step 4: Simplify right side
    508,914.36x = 156,637,300,432.22
  5. Step 5: Solve for x
    x = 156,637,300,432.22/508,914.36
  6. Step 6: Final answer
    x = 307,787.15

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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.