Home / 1,886,440.80-2,829,661.20-624,104.40

Finding the Fourth Proportional to 1,886,440.80, 2,829,661.20 and 624,104.40

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Solution

The fourth proportional to 1,886,440.80, 2,829,661.20 and 624,104.40 is: 936,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,440.80 : 2,829,661.20 = 624,104.40 : x
  2. Step 2: Convert to fraction form
    1,886,440.80/2,829,661.20 = 624,104.40/x
  3. Step 3: Cross multiply
    1,886,440.80x = 2,829,661.20 × 624,104.40
  4. Step 4: Simplify right side
    1,886,440.80x = 1,766,004,005,429.28
  5. Step 5: Solve for x
    x = 1,766,004,005,429.28/1,886,440.80
  6. Step 6: Final answer
    x = 936,156.60

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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.