Home / 1,076,922.36-1,486,158.71-618,000.39

Finding the Fourth Proportional to 1,076,922.36, 1,486,158.71 and 618,000.39

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Solution

The fourth proportional to 1,076,922.36, 1,486,158.71 and 618,000.39 is: 852,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,922.36 : 1,486,158.71 = 618,000.39 : x
  2. Step 2: Convert to fraction form
    1,076,922.36/1,486,158.71 = 618,000.39/x
  3. Step 3: Cross multiply
    1,076,922.36x = 1,486,158.71 × 618,000.39
  4. Step 4: Simplify right side
    1,076,922.36x = 918,446,659,291.90
  5. Step 5: Solve for x
    x = 918,446,659,291.90/1,076,922.36
  6. Step 6: Final answer
    x = 852,843.89

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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.