Home / 1,219,300.74-1,682,612.96-675,434.84

Finding the Fourth Proportional to 1,219,300.74, 1,682,612.96 and 675,434.84

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Solution

The fourth proportional to 1,219,300.74, 1,682,612.96 and 675,434.84 is: 932,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,300.74 : 1,682,612.96 = 675,434.84 : x
  2. Step 2: Convert to fraction form
    1,219,300.74/1,682,612.96 = 675,434.84/x
  3. Step 3: Cross multiply
    1,219,300.74x = 1,682,612.96 × 675,434.84
  4. Step 4: Simplify right side
    1,219,300.74x = 1,136,495,403,629.29
  5. Step 5: Solve for x
    x = 1,136,495,403,629.29/1,219,300.74
  6. Step 6: Final answer
    x = 932,087.85

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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.