Home / 479,946.90-719,920.35-164,362.80

Finding the Fourth Proportional to 479,946.90, 719,920.35 and 164,362.80

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Solution

The fourth proportional to 479,946.90, 719,920.35 and 164,362.80 is: 246,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,946.90 : 719,920.35 = 164,362.80 : x
  2. Step 2: Convert to fraction form
    479,946.90/719,920.35 = 164,362.80/x
  3. Step 3: Cross multiply
    479,946.90x = 719,920.35 × 164,362.80
  4. Step 4: Simplify right side
    479,946.90x = 118,328,124,502.98
  5. Step 5: Solve for x
    x = 118,328,124,502.98/479,946.90
  6. Step 6: Final answer
    x = 246,544.20

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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.