Home / 734,015.80-1,101,023.70-235,430.20

Finding the Fourth Proportional to 734,015.80, 1,101,023.70 and 235,430.20

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Solution

The fourth proportional to 734,015.80, 1,101,023.70 and 235,430.20 is: 353,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,015.80 : 1,101,023.70 = 235,430.20 : x
  2. Step 2: Convert to fraction form
    734,015.80/1,101,023.70 = 235,430.20/x
  3. Step 3: Cross multiply
    734,015.80x = 1,101,023.70 × 235,430.20
  4. Step 4: Simplify right side
    734,015.80x = 259,214,229,895.74
  5. Step 5: Solve for x
    x = 259,214,229,895.74/734,015.80
  6. Step 6: Final answer
    x = 353,145.30

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Double scale
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Similar ratio
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1.5x scale

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.