Home / 489,211.10-733,816.66-312,064.10

Finding the Fourth Proportional to 489,211.10, 733,816.66 and 312,064.10

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Solution

The fourth proportional to 489,211.10, 733,816.66 and 312,064.10 is: 468,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,211.10 : 733,816.66 = 312,064.10 : x
  2. Step 2: Convert to fraction form
    489,211.10/733,816.66 = 312,064.10/x
  3. Step 3: Cross multiply
    489,211.10x = 733,816.66 × 312,064.10
  4. Step 4: Simplify right side
    489,211.10x = 228,997,835,567.91
  5. Step 5: Solve for x
    x = 228,997,835,567.91/489,211.10
  6. Step 6: Final answer
    x = 468,096.16

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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.