Home / 769,650.26-1,062,118.98-430,118.51

Finding the Fourth Proportional to 769,650.26, 1,062,118.98 and 430,118.51

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Solution

The fourth proportional to 769,650.26, 1,062,118.98 and 430,118.51 is: 593,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,650.26 : 1,062,118.98 = 430,118.51 : x
  2. Step 2: Convert to fraction form
    769,650.26/1,062,118.98 = 430,118.51/x
  3. Step 3: Cross multiply
    769,650.26x = 1,062,118.98 × 430,118.51
  4. Step 4: Simplify right side
    769,650.26x = 456,837,027,809.73
  5. Step 5: Solve for x
    x = 456,837,027,809.73/769,650.26
  6. Step 6: Final answer
    x = 593,564.45

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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.