Home / 996,939.80-1,495,409.70-919,957.40

Finding the Fourth Proportional to 996,939.80, 1,495,409.70 and 919,957.40

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Solution

The fourth proportional to 996,939.80, 1,495,409.70 and 919,957.40 is: 1,379,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,939.80 : 1,495,409.70 = 919,957.40 : x
  2. Step 2: Convert to fraction form
    996,939.80/1,495,409.70 = 919,957.40/x
  3. Step 3: Cross multiply
    996,939.80x = 1,495,409.70 × 919,957.40
  4. Step 4: Simplify right side
    996,939.80x = 1,375,713,219,546.78
  5. Step 5: Solve for x
    x = 1,375,713,219,546.78/996,939.80
  6. Step 6: Final answer
    x = 1,379,936.10

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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.