Home / 630,706.22-945,237.89-256,291.50

Finding the Fourth Proportional to 630,706.22, 945,237.89 and 256,291.50

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Solution

The fourth proportional to 630,706.22, 945,237.89 and 256,291.50 is: 384,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,706.22 : 945,237.89 = 256,291.50 : x
  2. Step 2: Convert to fraction form
    630,706.22/945,237.89 = 256,291.50/x
  3. Step 3: Cross multiply
    630,706.22x = 945,237.89 × 256,291.50
  4. Step 4: Simplify right side
    630,706.22x = 242,256,436,684.94
  5. Step 5: Solve for x
    x = 242,256,436,684.94/630,706.22
  6. Step 6: Final answer
    x = 384,103.45

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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.