Home / 779,484.26-1,076,721.05-627,096.43

Finding the Fourth Proportional to 779,484.26, 1,076,721.05 and 627,096.43

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Solution

The fourth proportional to 779,484.26, 1,076,721.05 and 627,096.43 is: 866,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,484.26 : 1,076,721.05 = 627,096.43 : x
  2. Step 2: Convert to fraction form
    779,484.26/1,076,721.05 = 627,096.43/x
  3. Step 3: Cross multiply
    779,484.26x = 1,076,721.05 × 627,096.43
  4. Step 4: Simplify right side
    779,484.26x = 675,207,929,474.49
  5. Step 5: Solve for x
    x = 675,207,929,474.49/779,484.26
  6. Step 6: Final answer
    x = 866,223.94

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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.