Home / 689,707.44-1,034,559.72-191,070

Finding the Fourth Proportional to 689,707.44, 1,034,559.72 and 191,070

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Solution

The fourth proportional to 689,707.44, 1,034,559.72 and 191,070 is: 286,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,707.44 : 1,034,559.72 = 191,070 : x
  2. Step 2: Convert to fraction form
    689,707.44/1,034,559.72 = 191,070/x
  3. Step 3: Cross multiply
    689,707.44x = 1,034,559.72 × 191,070
  4. Step 4: Simplify right side
    689,707.44x = 197,673,325,700.40
  5. Step 5: Solve for x
    x = 197,673,325,700.40/689,707.44
  6. Step 6: Final answer
    x = 286,604.60

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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.