Home / 923,164.77-1,273,915.56-515,292.93

Finding the Fourth Proportional to 923,164.77, 1,273,915.56 and 515,292.93

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Solution

The fourth proportional to 923,164.77, 1,273,915.56 and 515,292.93 is: 711,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,164.77 : 1,273,915.56 = 515,292.93 : x
  2. Step 2: Convert to fraction form
    923,164.77/1,273,915.56 = 515,292.93/x
  3. Step 3: Cross multiply
    923,164.77x = 1,273,915.56 × 515,292.93
  4. Step 4: Simplify right side
    923,164.77x = 656,439,681,484.99
  5. Step 5: Solve for x
    x = 656,439,681,484.99/923,164.77
  6. Step 6: Final answer
    x = 711,075.32

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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.