Home / 1,171,285.66-1,615,749.15-712,540.54

Finding the Fourth Proportional to 1,171,285.66, 1,615,749.15 and 712,540.54

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Solution

The fourth proportional to 1,171,285.66, 1,615,749.15 and 712,540.54 is: 982,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,285.66 : 1,615,749.15 = 712,540.54 : x
  2. Step 2: Convert to fraction form
    1,171,285.66/1,615,749.15 = 712,540.54/x
  3. Step 3: Cross multiply
    1,171,285.66x = 1,615,749.15 × 712,540.54
  4. Step 4: Simplify right side
    1,171,285.66x = 1,151,286,771,845.54
  5. Step 5: Solve for x
    x = 1,151,286,771,845.54/1,171,285.66
  6. Step 6: Final answer
    x = 982,925.70

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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.