Home / 1,189,274.31-1,783,915.65-347,826.06

Finding the Fourth Proportional to 1,189,274.31, 1,783,915.65 and 347,826.06

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Solution

The fourth proportional to 1,189,274.31, 1,783,915.65 and 347,826.06 is: 521,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,274.31 : 1,783,915.65 = 347,826.06 : x
  2. Step 2: Convert to fraction form
    1,189,274.31/1,783,915.65 = 347,826.06/x
  3. Step 3: Cross multiply
    1,189,274.31x = 1,783,915.65 × 347,826.06
  4. Step 4: Simplify right side
    1,189,274.31x = 620,492,351,911.84
  5. Step 5: Solve for x
    x = 620,492,351,911.84/1,189,274.31
  6. Step 6: Final answer
    x = 521,740.31

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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.