Home / 1,055,419.02-1,582,188.90-381,349.98

Finding the Fourth Proportional to 1,055,419.02, 1,582,188.90 and 381,349.98

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Solution

The fourth proportional to 1,055,419.02, 1,582,188.90 and 381,349.98 is: 571,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,419.02 : 1,582,188.90 = 381,349.98 : x
  2. Step 2: Convert to fraction form
    1,055,419.02/1,582,188.90 = 381,349.98/x
  3. Step 3: Cross multiply
    1,055,419.02x = 1,582,188.90 × 381,349.98
  4. Step 4: Simplify right side
    1,055,419.02x = 603,367,705,371.22
  5. Step 5: Solve for x
    x = 603,367,705,371.22/1,055,419.02
  6. Step 6: Final answer
    x = 571,685.46

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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.