Home / 872,069.96-1,204,043.67-779,902.89

Finding the Fourth Proportional to 872,069.96, 1,204,043.67 and 779,902.89

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Solution

The fourth proportional to 872,069.96, 1,204,043.67 and 779,902.89 is: 1,076,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,069.96 : 1,204,043.67 = 779,902.89 : x
  2. Step 2: Convert to fraction form
    872,069.96/1,204,043.67 = 779,902.89/x
  3. Step 3: Cross multiply
    872,069.96x = 1,204,043.67 × 779,902.89
  4. Step 4: Simplify right side
    872,069.96x = 939,037,137,919.21
  5. Step 5: Solve for x
    x = 939,037,137,919.21/872,069.96
  6. Step 6: Final answer
    x = 1,076,791.07

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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.