Home / 790,087.24-1,090,316.89-427,517.49

Finding the Fourth Proportional to 790,087.24, 1,090,316.89 and 427,517.49

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Solution

The fourth proportional to 790,087.24, 1,090,316.89 and 427,517.49 is: 589,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,087.24 : 1,090,316.89 = 427,517.49 : x
  2. Step 2: Convert to fraction form
    790,087.24/1,090,316.89 = 427,517.49/x
  3. Step 3: Cross multiply
    790,087.24x = 1,090,316.89 × 427,517.49
  4. Step 4: Simplify right side
    790,087.24x = 466,129,544,139.27
  5. Step 5: Solve for x
    x = 466,129,544,139.27/790,087.24
  6. Step 6: Final answer
    x = 589,972.25

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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.