Home / 925,021.80-1,276,539.57-517,146.30

Finding the Fourth Proportional to 925,021.80, 1,276,539.57 and 517,146.30

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Solution

The fourth proportional to 925,021.80, 1,276,539.57 and 517,146.30 is: 713,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,021.80 : 1,276,539.57 = 517,146.30 : x
  2. Step 2: Convert to fraction form
    925,021.80/1,276,539.57 = 517,146.30/x
  3. Step 3: Cross multiply
    925,021.80x = 1,276,539.57 × 517,146.30
  4. Step 4: Simplify right side
    925,021.80x = 660,157,715,429.09
  5. Step 5: Solve for x
    x = 660,157,715,429.09/925,021.80
  6. Step 6: Final answer
    x = 713,667.20

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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.