Home / 876,877.11-1,315,402.07-364,436.55

Finding the Fourth Proportional to 876,877.11, 1,315,402.07 and 364,436.55

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Solution

The fourth proportional to 876,877.11, 1,315,402.07 and 364,436.55 is: 546,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,877.11 : 1,315,402.07 = 364,436.55 : x
  2. Step 2: Convert to fraction form
    876,877.11/1,315,402.07 = 364,436.55/x
  3. Step 3: Cross multiply
    876,877.11x = 1,315,402.07 × 364,436.55
  4. Step 4: Simplify right side
    876,877.11x = 479,380,590,431.48
  5. Step 5: Solve for x
    x = 479,380,590,431.48/876,877.11
  6. Step 6: Final answer
    x = 546,690.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.