Home / 515,092.08-772,572.48-199,332.96

Finding the Fourth Proportional to 515,092.08, 772,572.48 and 199,332.96

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Solution

The fourth proportional to 515,092.08, 772,572.48 and 199,332.96 is: 298,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,092.08 : 772,572.48 = 199,332.96 : x
  2. Step 2: Convert to fraction form
    515,092.08/772,572.48 = 199,332.96/x
  3. Step 3: Cross multiply
    515,092.08x = 772,572.48 × 199,332.96
  4. Step 4: Simplify right side
    515,092.08x = 153,999,159,252.94
  5. Step 5: Solve for x
    x = 153,999,159,252.94/515,092.08
  6. Step 6: Final answer
    x = 298,974.04

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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.