Home / 923,113.10-1,273,896.69-509,650.22

Finding the Fourth Proportional to 923,113.10, 1,273,896.69 and 509,650.22

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Solution

The fourth proportional to 923,113.10, 1,273,896.69 and 509,650.22 is: 703,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,113.10 : 1,273,896.69 = 509,650.22 : x
  2. Step 2: Convert to fraction form
    923,113.10/1,273,896.69 = 509,650.22/x
  3. Step 3: Cross multiply
    923,113.10x = 1,273,896.69 × 509,650.22
  4. Step 4: Simplify right side
    923,113.10x = 649,241,728,315.77
  5. Step 5: Solve for x
    x = 649,241,728,315.77/923,113.10
  6. Step 6: Final answer
    x = 703,317.64

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Double scale
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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.