Home / 913,054.44-1,369,753.80-281,820.63

Finding the Fourth Proportional to 913,054.44, 1,369,753.80 and 281,820.63

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Solution

The fourth proportional to 913,054.44, 1,369,753.80 and 281,820.63 is: 422,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,054.44 : 1,369,753.80 = 281,820.63 : x
  2. Step 2: Convert to fraction form
    913,054.44/1,369,753.80 = 281,820.63/x
  3. Step 3: Cross multiply
    913,054.44x = 1,369,753.80 × 281,820.63
  4. Step 4: Simplify right side
    913,054.44x = 386,024,878,860.89
  5. Step 5: Solve for x
    x = 386,024,878,860.89/913,054.44
  6. Step 6: Final answer
    x = 422,784.08

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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.