Home / 1,393,719.54-1,924,157.43-877,915.59

Finding the Fourth Proportional to 1,393,719.54, 1,924,157.43 and 877,915.59

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Solution

The fourth proportional to 1,393,719.54, 1,924,157.43 and 877,915.59 is: 1,212,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,719.54 : 1,924,157.43 = 877,915.59 : x
  2. Step 2: Convert to fraction form
    1,393,719.54/1,924,157.43 = 877,915.59/x
  3. Step 3: Cross multiply
    1,393,719.54x = 1,924,157.43 × 877,915.59
  4. Step 4: Simplify right side
    1,393,719.54x = 1,689,247,805,411.33
  5. Step 5: Solve for x
    x = 1,689,247,805,411.33/1,393,719.54
  6. Step 6: Final answer
    x = 1,212,042.85

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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.