Home / 841,959.28-1,161,945.95-515,170.05

Finding the Fourth Proportional to 841,959.28, 1,161,945.95 and 515,170.05

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Solution

The fourth proportional to 841,959.28, 1,161,945.95 and 515,170.05 is: 710,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,959.28 : 1,161,945.95 = 515,170.05 : x
  2. Step 2: Convert to fraction form
    841,959.28/1,161,945.95 = 515,170.05/x
  3. Step 3: Cross multiply
    841,959.28x = 1,161,945.95 × 515,170.05
  4. Step 4: Simplify right side
    841,959.28x = 598,599,753,158.80
  5. Step 5: Solve for x
    x = 598,599,753,158.80/841,959.28
  6. Step 6: Final answer
    x = 710,960.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.