Home / 1,226,871.56-1,840,682.93-628,256.55

Finding the Fourth Proportional to 1,226,871.56, 1,840,682.93 and 628,256.55

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Solution

The fourth proportional to 1,226,871.56, 1,840,682.93 and 628,256.55 is: 942,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,871.56 : 1,840,682.93 = 628,256.55 : x
  2. Step 2: Convert to fraction form
    1,226,871.56/1,840,682.93 = 628,256.55/x
  3. Step 3: Cross multiply
    1,226,871.56x = 1,840,682.93 × 628,256.55
  4. Step 4: Simplify right side
    1,226,871.56x = 1,156,421,104,104.41
  5. Step 5: Solve for x
    x = 1,156,421,104,104.41/1,226,871.56
  6. Step 6: Final answer
    x = 942,577.16

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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.