Home / 623,603.40-860,551.74-394,284.12

Finding the Fourth Proportional to 623,603.40, 860,551.74 and 394,284.12

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Solution

The fourth proportional to 623,603.40, 860,551.74 and 394,284.12 is: 544,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,603.40 : 860,551.74 = 394,284.12 : x
  2. Step 2: Convert to fraction form
    623,603.40/860,551.74 = 394,284.12/x
  3. Step 3: Cross multiply
    623,603.40x = 860,551.74 × 394,284.12
  4. Step 4: Simplify right side
    623,603.40x = 339,301,885,520.37
  5. Step 5: Solve for x
    x = 339,301,885,520.37/623,603.40
  6. Step 6: Final answer
    x = 544,098.84

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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.