Home / 1,928,859.40-2,892,195.60-730,820.80

Finding the Fourth Proportional to 1,928,859.40, 2,892,195.60 and 730,820.80

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Solution

The fourth proportional to 1,928,859.40, 2,892,195.60 and 730,820.80 is: 1,095,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,859.40 : 2,892,195.60 = 730,820.80 : x
  2. Step 2: Convert to fraction form
    1,928,859.40/2,892,195.60 = 730,820.80/x
  3. Step 3: Cross multiply
    1,928,859.40x = 2,892,195.60 × 730,820.80
  4. Step 4: Simplify right side
    1,928,859.40x = 2,113,676,702,148.48
  5. Step 5: Solve for x
    x = 2,113,676,702,148.48/1,928,859.40
  6. Step 6: Final answer
    x = 1,095,816.89

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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.