Home / 712,172.64-1,068,260.89-179,693.63

Finding the Fourth Proportional to 712,172.64, 1,068,260.89 and 179,693.63

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Solution

The fourth proportional to 712,172.64, 1,068,260.89 and 179,693.63 is: 269,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,172.64 : 1,068,260.89 = 179,693.63 : x
  2. Step 2: Convert to fraction form
    712,172.64/1,068,260.89 = 179,693.63/x
  3. Step 3: Cross multiply
    712,172.64x = 1,068,260.89 × 179,693.63
  4. Step 4: Simplify right side
    712,172.64x = 191,959,677,111.13
  5. Step 5: Solve for x
    x = 191,959,677,111.13/712,172.64
  6. Step 6: Final answer
    x = 269,540.93

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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.