Home / 925,724.81-1,276,941.63-611,398.58

Finding the Fourth Proportional to 925,724.81, 1,276,941.63 and 611,398.58

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Solution

The fourth proportional to 925,724.81, 1,276,941.63 and 611,398.58 is: 843,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,724.81 : 1,276,941.63 = 611,398.58 : x
  2. Step 2: Convert to fraction form
    925,724.81/1,276,941.63 = 611,398.58/x
  3. Step 3: Cross multiply
    925,724.81x = 1,276,941.63 × 611,398.58
  4. Step 4: Simplify right side
    925,724.81x = 780,720,290,647.43
  5. Step 5: Solve for x
    x = 780,720,290,647.43/925,724.81
  6. Step 6: Final answer
    x = 843,361.09

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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.