Home / 515,151.30-772,726.95-235,215.30

Finding the Fourth Proportional to 515,151.30, 772,726.95 and 235,215.30

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Solution

The fourth proportional to 515,151.30, 772,726.95 and 235,215.30 is: 352,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,151.30 : 772,726.95 = 235,215.30 : x
  2. Step 2: Convert to fraction form
    515,151.30/772,726.95 = 235,215.30/x
  3. Step 3: Cross multiply
    515,151.30x = 772,726.95 × 235,215.30
  4. Step 4: Simplify right side
    515,151.30x = 181,757,201,362.34
  5. Step 5: Solve for x
    x = 181,757,201,362.34/515,151.30
  6. Step 6: Final answer
    x = 352,822.95

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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.