Home / 698,041.56-1,047,062.28-199,405.56

Finding the Fourth Proportional to 698,041.56, 1,047,062.28 and 199,405.56

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Solution

The fourth proportional to 698,041.56, 1,047,062.28 and 199,405.56 is: 299,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,041.56 : 1,047,062.28 = 199,405.56 : x
  2. Step 2: Convert to fraction form
    698,041.56/1,047,062.28 = 199,405.56/x
  3. Step 3: Cross multiply
    698,041.56x = 1,047,062.28 × 199,405.56
  4. Step 4: Simplify right side
    698,041.56x = 208,790,040,298.28
  5. Step 5: Solve for x
    x = 208,790,040,298.28/698,041.56
  6. Step 6: Final answer
    x = 299,108.32

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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.