Home / 939,792.88-1,296,916.08-557,896.24

Finding the Fourth Proportional to 939,792.88, 1,296,916.08 and 557,896.24

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Solution

The fourth proportional to 939,792.88, 1,296,916.08 and 557,896.24 is: 769,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,792.88 : 1,296,916.08 = 557,896.24 : x
  2. Step 2: Convert to fraction form
    939,792.88/1,296,916.08 = 557,896.24/x
  3. Step 3: Cross multiply
    939,792.88x = 1,296,916.08 × 557,896.24
  4. Step 4: Simplify right side
    939,792.88x = 723,544,604,627.54
  5. Step 5: Solve for x
    x = 723,544,604,627.54/939,792.88
  6. Step 6: Final answer
    x = 769,897.94

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Double scale
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Similar ratio
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1.5x scale

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.