Home / 1,068,967.42-1,601,220.09-641,146.48

Finding the Fourth Proportional to 1,068,967.42, 1,601,220.09 and 641,146.48

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Solution

The fourth proportional to 1,068,967.42, 1,601,220.09 and 641,146.48 is: 960,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,967.42 : 1,601,220.09 = 641,146.48 : x
  2. Step 2: Convert to fraction form
    1,068,967.42/1,601,220.09 = 641,146.48/x
  3. Step 3: Cross multiply
    1,068,967.42x = 1,601,220.09 × 641,146.48
  4. Step 4: Simplify right side
    1,068,967.42x = 1,026,616,624,408.78
  5. Step 5: Solve for x
    x = 1,026,616,624,408.78/1,068,967.42
  6. Step 6: Final answer
    x = 960,381.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.