Home / 692,987.88-1,039,395.42-194,390.76

Finding the Fourth Proportional to 692,987.88, 1,039,395.42 and 194,390.76

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Solution

The fourth proportional to 692,987.88, 1,039,395.42 and 194,390.76 is: 291,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,987.88 : 1,039,395.42 = 194,390.76 : x
  2. Step 2: Convert to fraction form
    692,987.88/1,039,395.42 = 194,390.76/x
  3. Step 3: Cross multiply
    692,987.88x = 1,039,395.42 × 194,390.76
  4. Step 4: Simplify right side
    692,987.88x = 202,048,865,634.32
  5. Step 5: Solve for x
    x = 202,048,865,634.32/692,987.88
  6. Step 6: Final answer
    x = 291,561.90

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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.