Home / 727,085.50-1,089,665.96-557,959.52

Finding the Fourth Proportional to 727,085.50, 1,089,665.96 and 557,959.52

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Solution

The fourth proportional to 727,085.50, 1,089,665.96 and 557,959.52 is: 836,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,085.50 : 1,089,665.96 = 557,959.52 : x
  2. Step 2: Convert to fraction form
    727,085.50/1,089,665.96 = 557,959.52/x
  3. Step 3: Cross multiply
    727,085.50x = 1,089,665.96 × 557,959.52
  4. Step 4: Simplify right side
    727,085.50x = 607,989,496,001.94
  5. Step 5: Solve for x
    x = 607,989,496,001.94/727,085.50
  6. Step 6: Final answer
    x = 836,200.83

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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.