Home / 405,926.90-608,877.80-192,848.20

Finding the Fourth Proportional to 405,926.90, 608,877.80 and 192,848.20

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Solution

The fourth proportional to 405,926.90, 608,877.80 and 192,848.20 is: 289,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,926.90 : 608,877.80 = 192,848.20 : x
  2. Step 2: Convert to fraction form
    405,926.90/608,877.80 = 192,848.20/x
  3. Step 3: Cross multiply
    405,926.90x = 608,877.80 × 192,848.20
  4. Step 4: Simplify right side
    405,926.90x = 117,420,987,749.96
  5. Step 5: Solve for x
    x = 117,420,987,749.96/405,926.90
  6. Step 6: Final answer
    x = 289,266.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.