Home / 923,028.53-1,273,776.64-515,126.03

Finding the Fourth Proportional to 923,028.53, 1,273,776.64 and 515,126.03

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Solution

The fourth proportional to 923,028.53, 1,273,776.64 and 515,126.03 is: 710,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,028.53 : 1,273,776.64 = 515,126.03 : x
  2. Step 2: Convert to fraction form
    923,028.53/1,273,776.64 = 515,126.03/x
  3. Step 3: Cross multiply
    923,028.53x = 1,273,776.64 × 515,126.03
  4. Step 4: Simplify right side
    923,028.53x = 656,155,496,013.24
  5. Step 5: Solve for x
    x = 656,155,496,013.24/923,028.53
  6. Step 6: Final answer
    x = 710,872.39

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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.