Home / 1,219,887.05-1,683,423.57-676,021.73

Finding the Fourth Proportional to 1,219,887.05, 1,683,423.57 and 676,021.73

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Solution

The fourth proportional to 1,219,887.05, 1,683,423.57 and 676,021.73 is: 932,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,887.05 : 1,683,423.57 = 676,021.73 : x
  2. Step 2: Convert to fraction form
    1,219,887.05/1,683,423.57 = 676,021.73/x
  3. Step 3: Cross multiply
    1,219,887.05x = 1,683,423.57 × 676,021.73
  4. Step 4: Simplify right side
    1,219,887.05x = 1,138,030,914,114.18
  5. Step 5: Solve for x
    x = 1,138,030,914,114.18/1,219,887.05
  6. Step 6: Final answer
    x = 932,898.59

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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.