Home / 769,754.93-1,062,243.46-430,254.77

Finding the Fourth Proportional to 769,754.93, 1,062,243.46 and 430,254.77

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Solution

The fourth proportional to 769,754.93, 1,062,243.46 and 430,254.77 is: 593,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,754.93 : 1,062,243.46 = 430,254.77 : x
  2. Step 2: Convert to fraction form
    769,754.93/1,062,243.46 = 430,254.77/x
  3. Step 3: Cross multiply
    769,754.93x = 1,062,243.46 × 430,254.77
  4. Step 4: Simplify right side
    769,754.93x = 457,035,317,146.28
  5. Step 5: Solve for x
    x = 457,035,317,146.28/769,754.93
  6. Step 6: Final answer
    x = 593,741.33

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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.