Home / 627,028.43-865,563.46-423,354.94

Finding the Fourth Proportional to 627,028.43, 865,563.46 and 423,354.94

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Solution

The fourth proportional to 627,028.43, 865,563.46 and 423,354.94 is: 584,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,028.43 : 865,563.46 = 423,354.94 : x
  2. Step 2: Convert to fraction form
    627,028.43/865,563.46 = 423,354.94/x
  3. Step 3: Cross multiply
    627,028.43x = 865,563.46 × 423,354.94
  4. Step 4: Simplify right side
    627,028.43x = 366,440,570,702.36
  5. Step 5: Solve for x
    x = 366,440,570,702.36/627,028.43
  6. Step 6: Final answer
    x = 584,408.22

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1.5x scale

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.