Home / 605,038.20-907,557.30-463,320.60

Finding the Fourth Proportional to 605,038.20, 907,557.30 and 463,320.60

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Solution

The fourth proportional to 605,038.20, 907,557.30 and 463,320.60 is: 694,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,038.20 : 907,557.30 = 463,320.60 : x
  2. Step 2: Convert to fraction form
    605,038.20/907,557.30 = 463,320.60/x
  3. Step 3: Cross multiply
    605,038.20x = 907,557.30 × 463,320.60
  4. Step 4: Simplify right side
    605,038.20x = 420,489,992,770.38
  5. Step 5: Solve for x
    x = 420,489,992,770.38/605,038.20
  6. Step 6: Final answer
    x = 694,980.90

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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.