Home / 1,889,400.60-2,834,653.14-609,978.20

Finding the Fourth Proportional to 1,889,400.60, 2,834,653.14 and 609,978.20

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Solution

The fourth proportional to 1,889,400.60, 2,834,653.14 and 609,978.20 is: 915,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,400.60 : 2,834,653.14 = 609,978.20 : x
  2. Step 2: Convert to fraction form
    1,889,400.60/2,834,653.14 = 609,978.20/x
  3. Step 3: Cross multiply
    1,889,400.60x = 2,834,653.14 × 609,978.20
  4. Step 4: Simplify right side
    1,889,400.60x = 1,729,076,619,961.55
  5. Step 5: Solve for x
    x = 1,729,076,619,961.55/1,889,400.60
  6. Step 6: Final answer
    x = 915,145.59

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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.