Home / 698,308.07-1,047,441.31-192,899.34

Finding the Fourth Proportional to 698,308.07, 1,047,441.31 and 192,899.34

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Solution

The fourth proportional to 698,308.07, 1,047,441.31 and 192,899.34 is: 289,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,308.07 : 1,047,441.31 = 192,899.34 : x
  2. Step 2: Convert to fraction form
    698,308.07/1,047,441.31 = 192,899.34/x
  3. Step 3: Cross multiply
    698,308.07x = 1,047,441.31 × 192,899.34
  4. Step 4: Simplify right side
    698,308.07x = 202,050,736,905.49
  5. Step 5: Solve for x
    x = 202,050,736,905.49/698,308.07
  6. Step 6: Final answer
    x = 289,343.27

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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.