Home / 515,061.78-772,703.39-173,539.16

Finding the Fourth Proportional to 515,061.78, 772,703.39 and 173,539.16

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Solution

The fourth proportional to 515,061.78, 772,703.39 and 173,539.16 is: 260,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,061.78 : 772,703.39 = 173,539.16 : x
  2. Step 2: Convert to fraction form
    515,061.78/772,703.39 = 173,539.16/x
  3. Step 3: Cross multiply
    515,061.78x = 772,703.39 × 173,539.16
  4. Step 4: Simplify right side
    515,061.78x = 134,094,293,366.24
  5. Step 5: Solve for x
    x = 134,094,293,366.24/515,061.78
  6. Step 6: Final answer
    x = 260,346.04

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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.