Home / 1,247,970.96-1,872,236.50-395,093.60

Finding the Fourth Proportional to 1,247,970.96, 1,872,236.50 and 395,093.60

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Solution

The fourth proportional to 1,247,970.96, 1,872,236.50 and 395,093.60 is: 592,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,970.96 : 1,872,236.50 = 395,093.60 : x
  2. Step 2: Convert to fraction form
    1,247,970.96/1,872,236.50 = 395,093.60/x
  3. Step 3: Cross multiply
    1,247,970.96x = 1,872,236.50 × 395,093.60
  4. Step 4: Simplify right side
    1,247,970.96x = 739,708,658,836.40
  5. Step 5: Solve for x
    x = 739,708,658,836.40/1,247,970.96
  6. Step 6: Final answer
    x = 592,729.06

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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.