Home / 1,255,784.20-1,883,676.30-457,091.80

Finding the Fourth Proportional to 1,255,784.20, 1,883,676.30 and 457,091.80

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Solution

The fourth proportional to 1,255,784.20, 1,883,676.30 and 457,091.80 is: 685,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,784.20 : 1,883,676.30 = 457,091.80 : x
  2. Step 2: Convert to fraction form
    1,255,784.20/1,883,676.30 = 457,091.80/x
  3. Step 3: Cross multiply
    1,255,784.20x = 1,883,676.30 × 457,091.80
  4. Step 4: Simplify right side
    1,255,784.20x = 861,012,990,584.34
  5. Step 5: Solve for x
    x = 861,012,990,584.34/1,255,784.20
  6. Step 6: Final answer
    x = 685,637.70

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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.