Home / 489,013.06-733,440.86-133,944.04

Finding the Fourth Proportional to 489,013.06, 733,440.86 and 133,944.04

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Solution

The fourth proportional to 489,013.06, 733,440.86 and 133,944.04 is: 200,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,013.06 : 733,440.86 = 133,944.04 : x
  2. Step 2: Convert to fraction form
    489,013.06/733,440.86 = 133,944.04/x
  3. Step 3: Cross multiply
    489,013.06x = 733,440.86 × 133,944.04
  4. Step 4: Simplify right side
    489,013.06x = 98,240,031,889.47
  5. Step 5: Solve for x
    x = 98,240,031,889.47/489,013.06
  6. Step 6: Final answer
    x = 200,894.50

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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.