Home / 764,865.88-1,055,521.74-416,009.41

Finding the Fourth Proportional to 764,865.88, 1,055,521.74 and 416,009.41

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Solution

The fourth proportional to 764,865.88, 1,055,521.74 and 416,009.41 is: 574,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,865.88 : 1,055,521.74 = 416,009.41 : x
  2. Step 2: Convert to fraction form
    764,865.88/1,055,521.74 = 416,009.41/x
  3. Step 3: Cross multiply
    764,865.88x = 1,055,521.74 × 416,009.41
  4. Step 4: Simplify right side
    764,865.88x = 439,106,976,299.57
  5. Step 5: Solve for x
    x = 439,106,976,299.57/764,865.88
  6. Step 6: Final answer
    x = 574,096.70

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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.