Home / 1,831,401.65-2,746,728.38-693,771.64

Finding the Fourth Proportional to 1,831,401.65, 2,746,728.38 and 693,771.64

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Solution

The fourth proportional to 1,831,401.65, 2,746,728.38 and 693,771.64 is: 1,040,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,401.65 : 2,746,728.38 = 693,771.64 : x
  2. Step 2: Convert to fraction form
    1,831,401.65/2,746,728.38 = 693,771.64/x
  3. Step 3: Cross multiply
    1,831,401.65x = 2,746,728.38 × 693,771.64
  4. Step 4: Simplify right side
    1,831,401.65x = 1,905,602,247,694.75
  5. Step 5: Solve for x
    x = 1,905,602,247,694.75/1,831,401.65
  6. Step 6: Final answer
    x = 1,040,515.74

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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.