Home / 1,386,299.64-2,079,685.91-618,076.10

Finding the Fourth Proportional to 1,386,299.64, 2,079,685.91 and 618,076.10

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Solution

The fourth proportional to 1,386,299.64, 2,079,685.91 and 618,076.10 is: 927,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,299.64 : 2,079,685.91 = 618,076.10 : x
  2. Step 2: Convert to fraction form
    1,386,299.64/2,079,685.91 = 618,076.10/x
  3. Step 3: Cross multiply
    1,386,299.64x = 2,079,685.91 × 618,076.10
  4. Step 4: Simplify right side
    1,386,299.64x = 1,285,404,142,988.94
  5. Step 5: Solve for x
    x = 1,285,404,142,988.94/1,386,299.64
  6. Step 6: Final answer
    x = 927,219.56

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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.