Home / 1,421,467.65-1,961,596.17-776,892.42

Finding the Fourth Proportional to 1,421,467.65, 1,961,596.17 and 776,892.42

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Solution

The fourth proportional to 1,421,467.65, 1,961,596.17 and 776,892.42 is: 1,072,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,467.65 : 1,961,596.17 = 776,892.42 : x
  2. Step 2: Convert to fraction form
    1,421,467.65/1,961,596.17 = 776,892.42/x
  3. Step 3: Cross multiply
    1,421,467.65x = 1,961,596.17 × 776,892.42
  4. Step 4: Simplify right side
    1,421,467.65x = 1,523,949,195,574.03
  5. Step 5: Solve for x
    x = 1,523,949,195,574.03/1,421,467.65
  6. Step 6: Final answer
    x = 1,072,095.59

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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.