Home / 679,137.53-936,566.82-446,152.95

Finding the Fourth Proportional to 679,137.53, 936,566.82 and 446,152.95

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Solution

The fourth proportional to 679,137.53, 936,566.82 and 446,152.95 is: 615,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,137.53 : 936,566.82 = 446,152.95 : x
  2. Step 2: Convert to fraction form
    679,137.53/936,566.82 = 446,152.95/x
  3. Step 3: Cross multiply
    679,137.53x = 936,566.82 × 446,152.95
  4. Step 4: Simplify right side
    679,137.53x = 417,852,049,615.12
  5. Step 5: Solve for x
    x = 417,852,049,615.12/679,137.53
  6. Step 6: Final answer
    x = 615,268.68

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Double scale
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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.