Home / 1,412,234.59-1,949,096.81-861,270

Finding the Fourth Proportional to 1,412,234.59, 1,949,096.81 and 861,270

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Solution

The fourth proportional to 1,412,234.59, 1,949,096.81 and 861,270 is: 1,188,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,234.59 : 1,949,096.81 = 861,270 : x
  2. Step 2: Convert to fraction form
    1,412,234.59/1,949,096.81 = 861,270/x
  3. Step 3: Cross multiply
    1,412,234.59x = 1,949,096.81 × 861,270
  4. Step 4: Simplify right side
    1,412,234.59x = 1,678,698,605,242.35
  5. Step 5: Solve for x
    x = 1,678,698,605,242.35/1,412,234.59
  6. Step 6: Final answer
    x = 1,188,682.55

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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.