Home / 583,916.20-876,165.90-331,390.60

Finding the Fourth Proportional to 583,916.20, 876,165.90 and 331,390.60

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Solution

The fourth proportional to 583,916.20, 876,165.90 and 331,390.60 is: 497,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,916.20 : 876,165.90 = 331,390.60 : x
  2. Step 2: Convert to fraction form
    583,916.20/876,165.90 = 331,390.60/x
  3. Step 3: Cross multiply
    583,916.20x = 876,165.90 × 331,390.60
  4. Step 4: Simplify right side
    583,916.20x = 290,353,143,300.54
  5. Step 5: Solve for x
    x = 290,353,143,300.54/583,916.20
  6. Step 6: Final answer
    x = 497,251.39

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1.5x scale

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.