Home / 769,544.46-1,061,969.67-430,012.71

Finding the Fourth Proportional to 769,544.46, 1,061,969.67 and 430,012.71

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Solution

The fourth proportional to 769,544.46, 1,061,969.67 and 430,012.71 is: 593,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,544.46 : 1,061,969.67 = 430,012.71 : x
  2. Step 2: Convert to fraction form
    769,544.46/1,061,969.67 = 430,012.71/x
  3. Step 3: Cross multiply
    769,544.46x = 1,061,969.67 × 430,012.71
  4. Step 4: Simplify right side
    769,544.46x = 456,660,455,734.51
  5. Step 5: Solve for x
    x = 456,660,455,734.51/769,544.46
  6. Step 6: Final answer
    x = 593,416.60

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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.