Home / 1,729,189.80-2,590,479.90-930,205.80

Finding the Fourth Proportional to 1,729,189.80, 2,590,479.90 and 930,205.80

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Solution

The fourth proportional to 1,729,189.80, 2,590,479.90 and 930,205.80 is: 1,393,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,189.80 : 2,590,479.90 = 930,205.80 : x
  2. Step 2: Convert to fraction form
    1,729,189.80/2,590,479.90 = 930,205.80/x
  3. Step 3: Cross multiply
    1,729,189.80x = 2,590,479.90 × 930,205.80
  4. Step 4: Simplify right side
    1,729,189.80x = 2,409,679,427,763.42
  5. Step 5: Solve for x
    x = 2,409,679,427,763.42/1,729,189.80
  6. Step 6: Final answer
    x = 1,393,530.91

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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.