Home / 1,219,818.83-1,683,359.87-675,963.68

Finding the Fourth Proportional to 1,219,818.83, 1,683,359.87 and 675,963.68

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Solution

The fourth proportional to 1,219,818.83, 1,683,359.87 and 675,963.68 is: 932,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,818.83 : 1,683,359.87 = 675,963.68 : x
  2. Step 2: Convert to fraction form
    1,219,818.83/1,683,359.87 = 675,963.68/x
  3. Step 3: Cross multiply
    1,219,818.83x = 1,683,359.87 × 675,963.68
  4. Step 4: Simplify right side
    1,219,818.83x = 1,137,890,120,692.90
  5. Step 5: Solve for x
    x = 1,137,890,120,692.90/1,219,818.83
  6. Step 6: Final answer
    x = 932,835.35

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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.