Home / 781,788.13-1,171,154.94-538,586.26

Finding the Fourth Proportional to 781,788.13, 1,171,154.94 and 538,586.26

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Solution

The fourth proportional to 781,788.13, 1,171,154.94 and 538,586.26 is: 806,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,788.13 : 1,171,154.94 = 538,586.26 : x
  2. Step 2: Convert to fraction form
    781,788.13/1,171,154.94 = 538,586.26/x
  3. Step 3: Cross multiply
    781,788.13x = 1,171,154.94 × 538,586.26
  4. Step 4: Simplify right side
    781,788.13x = 630,767,959,015.12
  5. Step 5: Solve for x
    x = 630,767,959,015.12/781,788.13
  6. Step 6: Final answer
    x = 806,827.24

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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.