Home / 822,112.74-1,133,483.22-628,757.64

Finding the Fourth Proportional to 822,112.74, 1,133,483.22 and 628,757.64

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Solution

The fourth proportional to 822,112.74, 1,133,483.22 and 628,757.64 is: 866,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,112.74 : 1,133,483.22 = 628,757.64 : x
  2. Step 2: Convert to fraction form
    822,112.74/1,133,483.22 = 628,757.64/x
  3. Step 3: Cross multiply
    822,112.74x = 1,133,483.22 × 628,757.64
  4. Step 4: Simplify right side
    822,112.74x = 712,686,234,386.80
  5. Step 5: Solve for x
    x = 712,686,234,386.80/822,112.74
  6. Step 6: Final answer
    x = 866,895.99

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1.5x scale

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.