Home / 1,519,452.09-2,096,898.71-840,393.45

Finding the Fourth Proportional to 1,519,452.09, 2,096,898.71 and 840,393.45

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Solution

The fourth proportional to 1,519,452.09, 2,096,898.71 and 840,393.45 is: 1,159,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,452.09 : 2,096,898.71 = 840,393.45 : x
  2. Step 2: Convert to fraction form
    1,519,452.09/2,096,898.71 = 840,393.45/x
  3. Step 3: Cross multiply
    1,519,452.09x = 2,096,898.71 × 840,393.45
  4. Step 4: Simplify right side
    1,519,452.09x = 1,762,219,936,995.48
  5. Step 5: Solve for x
    x = 1,762,219,936,995.48/1,519,452.09
  6. Step 6: Final answer
    x = 1,159,773.28

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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.