Home / 1,257,913.34-1,735,873.04-768,700.88

Finding the Fourth Proportional to 1,257,913.34, 1,735,873.04 and 768,700.88

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Solution

The fourth proportional to 1,257,913.34, 1,735,873.04 and 768,700.88 is: 1,060,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,913.34 : 1,735,873.04 = 768,700.88 : x
  2. Step 2: Convert to fraction form
    1,257,913.34/1,735,873.04 = 768,700.88/x
  3. Step 3: Cross multiply
    1,257,913.34x = 1,735,873.04 × 768,700.88
  4. Step 4: Simplify right side
    1,257,913.34x = 1,334,367,120,893.41
  5. Step 5: Solve for x
    x = 1,334,367,120,893.41/1,257,913.34
  6. Step 6: Final answer
    x = 1,060,778.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.