Home / 461,106.23-636,230.34-279,913.55

Finding the Fourth Proportional to 461,106.23, 636,230.34 and 279,913.55

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Solution

The fourth proportional to 461,106.23, 636,230.34 and 279,913.55 is: 386,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,106.23 : 636,230.34 = 279,913.55 : x
  2. Step 2: Convert to fraction form
    461,106.23/636,230.34 = 279,913.55/x
  3. Step 3: Cross multiply
    461,106.23x = 636,230.34 × 279,913.55
  4. Step 4: Simplify right side
    461,106.23x = 178,089,489,905.96
  5. Step 5: Solve for x
    x = 178,089,489,905.96/461,106.23
  6. Step 6: Final answer
    x = 386,222.26

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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.