Home / 711,859.09-982,364.90-401,826.94

Finding the Fourth Proportional to 711,859.09, 982,364.90 and 401,826.94

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Solution

The fourth proportional to 711,859.09, 982,364.90 and 401,826.94 is: 554,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,859.09 : 982,364.90 = 401,826.94 : x
  2. Step 2: Convert to fraction form
    711,859.09/982,364.90 = 401,826.94/x
  3. Step 3: Cross multiply
    711,859.09x = 982,364.90 × 401,826.94
  4. Step 4: Simplify right side
    711,859.09x = 394,740,682,539.85
  5. Step 5: Solve for x
    x = 394,740,682,539.85/711,859.09
  6. Step 6: Final answer
    x = 554,520.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.