Home / 1,076,785.28-1,486,013.76-624,218.24

Finding the Fourth Proportional to 1,076,785.28, 1,486,013.76 and 624,218.24

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Solution

The fourth proportional to 1,076,785.28, 1,486,013.76 and 624,218.24 is: 861,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,785.28 : 1,486,013.76 = 624,218.24 : x
  2. Step 2: Convert to fraction form
    1,076,785.28/1,486,013.76 = 624,218.24/x
  3. Step 3: Cross multiply
    1,076,785.28x = 1,486,013.76 × 624,218.24
  4. Step 4: Simplify right side
    1,076,785.28x = 927,596,893,882.98
  5. Step 5: Solve for x
    x = 927,596,893,882.98/1,076,785.28
  6. Step 6: Final answer
    x = 861,450.20

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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.