Home / 1,230,839.96-1,847,084.41-432,123.86

Finding the Fourth Proportional to 1,230,839.96, 1,847,084.41 and 432,123.86

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Solution

The fourth proportional to 1,230,839.96, 1,847,084.41 and 432,123.86 is: 648,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,839.96 : 1,847,084.41 = 432,123.86 : x
  2. Step 2: Convert to fraction form
    1,230,839.96/1,847,084.41 = 432,123.86/x
  3. Step 3: Cross multiply
    1,230,839.96x = 1,847,084.41 × 432,123.86
  4. Step 4: Simplify right side
    1,230,839.96x = 798,169,250,152.89
  5. Step 5: Solve for x
    x = 798,169,250,152.89/1,230,839.96
  6. Step 6: Final answer
    x = 648,475.25

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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.