Home / 919,941.43-1,379,815.02-246,090.73

Finding the Fourth Proportional to 919,941.43, 1,379,815.02 and 246,090.73

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Solution

The fourth proportional to 919,941.43, 1,379,815.02 and 246,090.73 is: 369,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,941.43 : 1,379,815.02 = 246,090.73 : x
  2. Step 2: Convert to fraction form
    919,941.43/1,379,815.02 = 246,090.73/x
  3. Step 3: Cross multiply
    919,941.43x = 1,379,815.02 × 246,090.73
  4. Step 4: Simplify right side
    919,941.43x = 339,559,685,536.77
  5. Step 5: Solve for x
    x = 339,559,685,536.77/919,941.43
  6. Step 6: Final answer
    x = 369,110.11

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Double scale
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Similar ratio
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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.