Home / 1,049,764.70-1,574,647.05-839,812.70

Finding the Fourth Proportional to 1,049,764.70, 1,574,647.05 and 839,812.70

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Solution

The fourth proportional to 1,049,764.70, 1,574,647.05 and 839,812.70 is: 1,259,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,764.70 : 1,574,647.05 = 839,812.70 : x
  2. Step 2: Convert to fraction form
    1,049,764.70/1,574,647.05 = 839,812.70/x
  3. Step 3: Cross multiply
    1,049,764.70x = 1,574,647.05 × 839,812.70
  4. Step 4: Simplify right side
    1,049,764.70x = 1,322,408,590,607.53
  5. Step 5: Solve for x
    x = 1,322,408,590,607.53/1,049,764.70
  6. Step 6: Final answer
    x = 1,259,719.05

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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.