Home / 913,285.30-1,364,327.79-658,390.44

Finding the Fourth Proportional to 913,285.30, 1,364,327.79 and 658,390.44

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Solution

The fourth proportional to 913,285.30, 1,364,327.79 and 658,390.44 is: 983,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,285.30 : 1,364,327.79 = 658,390.44 : x
  2. Step 2: Convert to fraction form
    913,285.30/1,364,327.79 = 658,390.44/x
  3. Step 3: Cross multiply
    913,285.30x = 1,364,327.79 × 658,390.44
  4. Step 4: Simplify right side
    913,285.30x = 898,260,373,962.33
  5. Step 5: Solve for x
    x = 898,260,373,962.33/913,285.30
  6. Step 6: Final answer
    x = 983,548.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.