Home / 1,260,585.28-1,890,894.32-419,137.03

Finding the Fourth Proportional to 1,260,585.28, 1,890,894.32 and 419,137.03

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Solution

The fourth proportional to 1,260,585.28, 1,890,894.32 and 419,137.03 is: 628,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,585.28 : 1,890,894.32 = 419,137.03 : x
  2. Step 2: Convert to fraction form
    1,260,585.28/1,890,894.32 = 419,137.03/x
  3. Step 3: Cross multiply
    1,260,585.28x = 1,890,894.32 × 419,137.03
  4. Step 4: Simplify right side
    1,260,585.28x = 792,543,833,526.01
  5. Step 5: Solve for x
    x = 792,543,833,526.01/1,260,585.28
  6. Step 6: Final answer
    x = 628,711.00

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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.