Home / 669,313.15-1,003,950.56-189,539.81

Finding the Fourth Proportional to 669,313.15, 1,003,950.56 and 189,539.81

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Solution

The fourth proportional to 669,313.15, 1,003,950.56 and 189,539.81 is: 284,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,313.15 : 1,003,950.56 = 189,539.81 : x
  2. Step 2: Convert to fraction form
    669,313.15/1,003,950.56 = 189,539.81/x
  3. Step 3: Cross multiply
    669,313.15x = 1,003,950.56 × 189,539.81
  4. Step 4: Simplify right side
    669,313.15x = 190,288,603,089.52
  5. Step 5: Solve for x
    x = 190,288,603,089.52/669,313.15
  6. Step 6: Final answer
    x = 284,304.30

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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.