Home / 879,204.33-1,213,367.28-492,058.62

Finding the Fourth Proportional to 879,204.33, 1,213,367.28 and 492,058.62

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Solution

The fourth proportional to 879,204.33, 1,213,367.28 and 492,058.62 is: 679,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,204.33 : 1,213,367.28 = 492,058.62 : x
  2. Step 2: Convert to fraction form
    879,204.33/1,213,367.28 = 492,058.62/x
  3. Step 3: Cross multiply
    879,204.33x = 1,213,367.28 × 492,058.62
  4. Step 4: Simplify right side
    879,204.33x = 597,047,829,349.95
  5. Step 5: Solve for x
    x = 597,047,829,349.95/879,204.33
  6. Step 6: Final answer
    x = 679,077.44

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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.