Home / 1,412,693.86-1,949,463.78-768,114.58

Finding the Fourth Proportional to 1,412,693.86, 1,949,463.78 and 768,114.58

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Solution

The fourth proportional to 1,412,693.86, 1,949,463.78 and 768,114.58 is: 1,059,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,693.86 : 1,949,463.78 = 768,114.58 : x
  2. Step 2: Convert to fraction form
    1,412,693.86/1,949,463.78 = 768,114.58/x
  3. Step 3: Cross multiply
    1,412,693.86x = 1,949,463.78 × 768,114.58
  4. Step 4: Simplify right side
    1,412,693.86x = 1,497,411,552,599.91
  5. Step 5: Solve for x
    x = 1,497,411,552,599.91/1,412,693.86
  6. Step 6: Final answer
    x = 1,059,968.90

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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.