Home / 694,412.64-1,039,920.36-627,096.80

Finding the Fourth Proportional to 694,412.64, 1,039,920.36 and 627,096.80

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Solution

The fourth proportional to 694,412.64, 1,039,920.36 and 627,096.80 is: 939,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,412.64 : 1,039,920.36 = 627,096.80 : x
  2. Step 2: Convert to fraction form
    694,412.64/1,039,920.36 = 627,096.80/x
  3. Step 3: Cross multiply
    694,412.64x = 1,039,920.36 × 627,096.80
  4. Step 4: Simplify right side
    694,412.64x = 652,130,730,010.85
  5. Step 5: Solve for x
    x = 652,130,730,010.85/694,412.64
  6. Step 6: Final answer
    x = 939,111.26

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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.