Home / 691,912.13-1,038,043.15-193,276.13

Finding the Fourth Proportional to 691,912.13, 1,038,043.15 and 193,276.13

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Solution

The fourth proportional to 691,912.13, 1,038,043.15 and 193,276.13 is: 289,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,912.13 : 1,038,043.15 = 193,276.13 : x
  2. Step 2: Convert to fraction form
    691,912.13/1,038,043.15 = 193,276.13/x
  3. Step 3: Cross multiply
    691,912.13x = 1,038,043.15 × 193,276.13
  4. Step 4: Simplify right side
    691,912.13x = 200,628,957,131.60
  5. Step 5: Solve for x
    x = 200,628,957,131.60/691,912.13
  6. Step 6: Final answer
    x = 289,963.06

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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.