Home / 738,605.20-1,108,782.60-419,011.60

Finding the Fourth Proportional to 738,605.20, 1,108,782.60 and 419,011.60

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Solution

The fourth proportional to 738,605.20, 1,108,782.60 and 419,011.60 is: 629,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,605.20 : 1,108,782.60 = 419,011.60 : x
  2. Step 2: Convert to fraction form
    738,605.20/1,108,782.60 = 419,011.60/x
  3. Step 3: Cross multiply
    738,605.20x = 1,108,782.60 × 419,011.60
  4. Step 4: Simplify right side
    738,605.20x = 464,592,771,278.16
  5. Step 5: Solve for x
    x = 464,592,771,278.16/738,605.20
  6. Step 6: Final answer
    x = 629,013.68

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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.