Home / 1,312,895.62-1,812,401.27-768,956.32

Finding the Fourth Proportional to 1,312,895.62, 1,812,401.27 and 768,956.32

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Solution

The fourth proportional to 1,312,895.62, 1,812,401.27 and 768,956.32 is: 1,061,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,895.62 : 1,812,401.27 = 768,956.32 : x
  2. Step 2: Convert to fraction form
    1,312,895.62/1,812,401.27 = 768,956.32/x
  3. Step 3: Cross multiply
    1,312,895.62x = 1,812,401.27 × 768,956.32
  4. Step 4: Simplify right side
    1,312,895.62x = 1,393,657,410,942.53
  5. Step 5: Solve for x
    x = 1,393,657,410,942.53/1,312,895.62
  6. Step 6: Final answer
    x = 1,061,514.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.