Home / 772,291.40-1,159,473.90-493,046.60

Finding the Fourth Proportional to 772,291.40, 1,159,473.90 and 493,046.60

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Solution

The fourth proportional to 772,291.40, 1,159,473.90 and 493,046.60 is: 740,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,291.40 : 1,159,473.90 = 493,046.60 : x
  2. Step 2: Convert to fraction form
    772,291.40/1,159,473.90 = 493,046.60/x
  3. Step 3: Cross multiply
    772,291.40x = 1,159,473.90 × 493,046.60
  4. Step 4: Simplify right side
    772,291.40x = 571,674,664,183.74
  5. Step 5: Solve for x
    x = 571,674,664,183.74/772,291.40
  6. Step 6: Final answer
    x = 740,231.81

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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.