Home / 955,183.79-1,317,248.93-611,128.60

Finding the Fourth Proportional to 955,183.79, 1,317,248.93 and 611,128.60

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Solution

The fourth proportional to 955,183.79, 1,317,248.93 and 611,128.60 is: 842,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,183.79 : 1,317,248.93 = 611,128.60 : x
  2. Step 2: Convert to fraction form
    955,183.79/1,317,248.93 = 611,128.60/x
  3. Step 3: Cross multiply
    955,183.79x = 1,317,248.93 × 611,128.60
  4. Step 4: Simplify right side
    955,183.79x = 805,008,492,677.10
  5. Step 5: Solve for x
    x = 805,008,492,677.10/955,183.79
  6. Step 6: Final answer
    x = 842,778.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.