Home / 945,855.22-1,306,701.87-619,941.58

Finding the Fourth Proportional to 945,855.22, 1,306,701.87 and 619,941.58

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Solution

The fourth proportional to 945,855.22, 1,306,701.87 and 619,941.58 is: 856,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,855.22 : 1,306,701.87 = 619,941.58 : x
  2. Step 2: Convert to fraction form
    945,855.22/1,306,701.87 = 619,941.58/x
  3. Step 3: Cross multiply
    945,855.22x = 1,306,701.87 × 619,941.58
  4. Step 4: Simplify right side
    945,855.22x = 810,078,821,876.76
  5. Step 5: Solve for x
    x = 810,078,821,876.76/945,855.22
  6. Step 6: Final answer
    x = 856,451.18

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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.