Home / 656,955.77-985,433.65-257,784.53

Finding the Fourth Proportional to 656,955.77, 985,433.65 and 257,784.53

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Solution

The fourth proportional to 656,955.77, 985,433.65 and 257,784.53 is: 386,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,955.77 : 985,433.65 = 257,784.53 : x
  2. Step 2: Convert to fraction form
    656,955.77/985,433.65 = 257,784.53/x
  3. Step 3: Cross multiply
    656,955.77x = 985,433.65 × 257,784.53
  4. Step 4: Simplify right side
    656,955.77x = 254,029,544,739.81
  5. Step 5: Solve for x
    x = 254,029,544,739.81/656,955.77
  6. Step 6: Final answer
    x = 386,676.79

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Similar ratio
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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.