Home / 919,938.40-1,379,810.52-246,087.70

Finding the Fourth Proportional to 919,938.40, 1,379,810.52 and 246,087.70

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Solution

The fourth proportional to 919,938.40, 1,379,810.52 and 246,087.70 is: 369,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,938.40 : 1,379,810.52 = 246,087.70 : x
  2. Step 2: Convert to fraction form
    919,938.40/1,379,810.52 = 246,087.70/x
  3. Step 3: Cross multiply
    919,938.40x = 1,379,810.52 × 246,087.70
  4. Step 4: Simplify right side
    919,938.40x = 339,554,397,302.60
  5. Step 5: Solve for x
    x = 339,554,397,302.60/919,938.40
  6. Step 6: Final answer
    x = 369,105.58

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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.