Home / 769,723.69-1,062,216.02-430,191.94

Finding the Fourth Proportional to 769,723.69, 1,062,216.02 and 430,191.94

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Solution

The fourth proportional to 769,723.69, 1,062,216.02 and 430,191.94 is: 593,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,723.69 : 1,062,216.02 = 430,191.94 : x
  2. Step 2: Convert to fraction form
    769,723.69/1,062,216.02 = 430,191.94/x
  3. Step 3: Cross multiply
    769,723.69x = 1,062,216.02 × 430,191.94
  4. Step 4: Simplify right side
    769,723.69x = 456,956,770,342.88
  5. Step 5: Solve for x
    x = 456,956,770,342.88/769,723.69
  6. Step 6: Final answer
    x = 593,663.38

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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.