Home / 781,196.27-1,171,888.63-275,653.26

Finding the Fourth Proportional to 781,196.27, 1,171,888.63 and 275,653.26

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Solution

The fourth proportional to 781,196.27, 1,171,888.63 and 275,653.26 is: 413,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,196.27 : 1,171,888.63 = 275,653.26 : x
  2. Step 2: Convert to fraction form
    781,196.27/1,171,888.63 = 275,653.26/x
  3. Step 3: Cross multiply
    781,196.27x = 1,171,888.63 × 275,653.26
  4. Step 4: Simplify right side
    781,196.27x = 323,034,920,527.30
  5. Step 5: Solve for x
    x = 323,034,920,527.30/781,196.27
  6. Step 6: Final answer
    x = 413,513.14

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1.5x scale

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.