Home / 407,889.44-562,638.04-242,205.12

Finding the Fourth Proportional to 407,889.44, 562,638.04 and 242,205.12

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Solution

The fourth proportional to 407,889.44, 562,638.04 and 242,205.12 is: 334,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,889.44 : 562,638.04 = 242,205.12 : x
  2. Step 2: Convert to fraction form
    407,889.44/562,638.04 = 242,205.12/x
  3. Step 3: Cross multiply
    407,889.44x = 562,638.04 × 242,205.12
  4. Step 4: Simplify right side
    407,889.44x = 136,273,813,994.77
  5. Step 5: Solve for x
    x = 136,273,813,994.77/407,889.44
  6. Step 6: Final answer
    x = 334,094.98

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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.