Home / 919,674.38-1,379,495.50-413,877.44

Finding the Fourth Proportional to 919,674.38, 1,379,495.50 and 413,877.44

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Solution

The fourth proportional to 919,674.38, 1,379,495.50 and 413,877.44 is: 620,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,674.38 : 1,379,495.50 = 413,877.44 : x
  2. Step 2: Convert to fraction form
    919,674.38/1,379,495.50 = 413,877.44/x
  3. Step 3: Cross multiply
    919,674.38x = 1,379,495.50 × 413,877.44
  4. Step 4: Simplify right side
    919,674.38x = 570,942,066,031.52
  5. Step 5: Solve for x
    x = 570,942,066,031.52/919,674.38
  6. Step 6: Final answer
    x = 620,808.93

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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.