Home / 1,486,403.66-2,229,690.24-421,362

Finding the Fourth Proportional to 1,486,403.66, 2,229,690.24 and 421,362

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Solution

The fourth proportional to 1,486,403.66, 2,229,690.24 and 421,362 is: 632,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,403.66 : 2,229,690.24 = 421,362 : x
  2. Step 2: Convert to fraction form
    1,486,403.66/2,229,690.24 = 421,362/x
  3. Step 3: Cross multiply
    1,486,403.66x = 2,229,690.24 × 421,362
  4. Step 4: Simplify right side
    1,486,403.66x = 939,506,738,906.88
  5. Step 5: Solve for x
    x = 939,506,738,906.88/1,486,403.66
  6. Step 6: Final answer
    x = 632,067.02

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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.