Home / 761,850.36-1,142,796.60-424,702.44

Finding the Fourth Proportional to 761,850.36, 1,142,796.60 and 424,702.44

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Solution

The fourth proportional to 761,850.36, 1,142,796.60 and 424,702.44 is: 637,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,850.36 : 1,142,796.60 = 424,702.44 : x
  2. Step 2: Convert to fraction form
    761,850.36/1,142,796.60 = 424,702.44/x
  3. Step 3: Cross multiply
    761,850.36x = 1,142,796.60 × 424,702.44
  4. Step 4: Simplify right side
    761,850.36x = 485,348,504,443.70
  5. Step 5: Solve for x
    x = 485,348,504,443.70/761,850.36
  6. Step 6: Final answer
    x = 637,065.40

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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.