Home / 781,151.51-1,171,484.97-275,594.27

Finding the Fourth Proportional to 781,151.51, 1,171,484.97 and 275,594.27

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Solution

The fourth proportional to 781,151.51, 1,171,484.97 and 275,594.27 is: 413,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,151.51 : 1,171,484.97 = 275,594.27 : x
  2. Step 2: Convert to fraction form
    781,151.51/1,171,484.97 = 275,594.27/x
  3. Step 3: Cross multiply
    781,151.51x = 1,171,484.97 × 275,594.27
  4. Step 4: Simplify right side
    781,151.51x = 322,854,545,123.12
  5. Step 5: Solve for x
    x = 322,854,545,123.12/781,151.51
  6. Step 6: Final answer
    x = 413,305.92

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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.