Home / 1,219,686.20-1,683,165.30-675,857.20

Finding the Fourth Proportional to 1,219,686.20, 1,683,165.30 and 675,857.20

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Solution

The fourth proportional to 1,219,686.20, 1,683,165.30 and 675,857.20 is: 932,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,686.20 : 1,683,165.30 = 675,857.20 : x
  2. Step 2: Convert to fraction form
    1,219,686.20/1,683,165.30 = 675,857.20/x
  3. Step 3: Cross multiply
    1,219,686.20x = 1,683,165.30 × 675,857.20
  4. Step 4: Simplify right side
    1,219,686.20x = 1,137,579,391,003.07
  5. Step 5: Solve for x
    x = 1,137,579,391,003.07/1,219,686.20
  6. Step 6: Final answer
    x = 932,682.02

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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.