Home / 1,991,823.31-2,986,114.17-624,894.32

Finding the Fourth Proportional to 1,991,823.31, 2,986,114.17 and 624,894.32

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Solution

The fourth proportional to 1,991,823.31, 2,986,114.17 and 624,894.32 is: 936,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,823.31 : 2,986,114.17 = 624,894.32 : x
  2. Step 2: Convert to fraction form
    1,991,823.31/2,986,114.17 = 624,894.32/x
  3. Step 3: Cross multiply
    1,991,823.31x = 2,986,114.17 × 624,894.32
  4. Step 4: Simplify right side
    1,991,823.31x = 1,866,005,768,773.94
  5. Step 5: Solve for x
    x = 1,866,005,768,773.94/1,991,823.31
  6. Step 6: Final answer
    x = 936,832.98

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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.