Home / 623,479.36-860,401.00-336,999.44

Finding the Fourth Proportional to 623,479.36, 860,401.00 and 336,999.44

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Solution

The fourth proportional to 623,479.36, 860,401.00 and 336,999.44 is: 465,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,479.36 : 860,401.00 = 336,999.44 : x
  2. Step 2: Convert to fraction form
    623,479.36/860,401.00 = 336,999.44/x
  3. Step 3: Cross multiply
    623,479.36x = 860,401.00 × 336,999.44
  4. Step 4: Simplify right side
    623,479.36x = 289,954,656,930.95
  5. Step 5: Solve for x
    x = 289,954,656,930.95/623,479.36
  6. Step 6: Final answer
    x = 465,058.95

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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.