Home / 819,986.41-1,131,068.98-529,487.20

Finding the Fourth Proportional to 819,986.41, 1,131,068.98 and 529,487.20

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Solution

The fourth proportional to 819,986.41, 1,131,068.98 and 529,487.20 is: 730,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,986.41 : 1,131,068.98 = 529,487.20 : x
  2. Step 2: Convert to fraction form
    819,986.41/1,131,068.98 = 529,487.20/x
  3. Step 3: Cross multiply
    819,986.41x = 1,131,068.98 × 529,487.20
  4. Step 4: Simplify right side
    819,986.41x = 598,886,547,227.06
  5. Step 5: Solve for x
    x = 598,886,547,227.06/819,986.41
  6. Step 6: Final answer
    x = 730,361.55

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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.