Home / 1,229,861.40-1,844,792.10-432,043.80

Finding the Fourth Proportional to 1,229,861.40, 1,844,792.10 and 432,043.80

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Solution

The fourth proportional to 1,229,861.40, 1,844,792.10 and 432,043.80 is: 648,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,861.40 : 1,844,792.10 = 432,043.80 : x
  2. Step 2: Convert to fraction form
    1,229,861.40/1,844,792.10 = 432,043.80/x
  3. Step 3: Cross multiply
    1,229,861.40x = 1,844,792.10 × 432,043.80
  4. Step 4: Simplify right side
    1,229,861.40x = 797,030,989,093.98
  5. Step 5: Solve for x
    x = 797,030,989,093.98/1,229,861.40
  6. Step 6: Final answer
    x = 648,065.70

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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.