Home / 1,429,571.61-2,143,881.66-576,422.91

Finding the Fourth Proportional to 1,429,571.61, 2,143,881.66 and 576,422.91

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Solution

The fourth proportional to 1,429,571.61, 2,143,881.66 and 576,422.91 is: 864,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,571.61 : 2,143,881.66 = 576,422.91 : x
  2. Step 2: Convert to fraction form
    1,429,571.61/2,143,881.66 = 576,422.91/x
  3. Step 3: Cross multiply
    1,429,571.61x = 2,143,881.66 × 576,422.91
  4. Step 4: Simplify right side
    1,429,571.61x = 1,235,782,505,152.83
  5. Step 5: Solve for x
    x = 1,235,782,505,152.83/1,429,571.61
  6. Step 6: Final answer
    x = 864,442.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.