Home / 1,137,816.92-1,706,153.96-379,389.89

Finding the Fourth Proportional to 1,137,816.92, 1,706,153.96 and 379,389.89

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Solution

The fourth proportional to 1,137,816.92, 1,706,153.96 and 379,389.89 is: 568,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,816.92 : 1,706,153.96 = 379,389.89 : x
  2. Step 2: Convert to fraction form
    1,137,816.92/1,706,153.96 = 379,389.89/x
  3. Step 3: Cross multiply
    1,137,816.92x = 1,706,153.96 × 379,389.89
  4. Step 4: Simplify right side
    1,137,816.92x = 647,297,568,421.32
  5. Step 5: Solve for x
    x = 647,297,568,421.32/1,137,816.92
  6. Step 6: Final answer
    x = 568,894.31

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Double scale
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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.