Home / 623,583.40-860,524.14-394,264.12

Finding the Fourth Proportional to 623,583.40, 860,524.14 and 394,264.12

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Solution

The fourth proportional to 623,583.40, 860,524.14 and 394,264.12 is: 544,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,583.40 : 860,524.14 = 394,264.12 : x
  2. Step 2: Convert to fraction form
    623,583.40/860,524.14 = 394,264.12/x
  3. Step 3: Cross multiply
    623,583.40x = 860,524.14 × 394,264.12
  4. Step 4: Simplify right side
    623,583.40x = 339,273,792,795.86
  5. Step 5: Solve for x
    x = 339,273,792,795.86/623,583.40
  6. Step 6: Final answer
    x = 544,071.24

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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.