Home / 1,090,446.84-1,634,607.12-521,679.48

Finding the Fourth Proportional to 1,090,446.84, 1,634,607.12 and 521,679.48

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Solution

The fourth proportional to 1,090,446.84, 1,634,607.12 and 521,679.48 is: 782,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,446.84 : 1,634,607.12 = 521,679.48 : x
  2. Step 2: Convert to fraction form
    1,090,446.84/1,634,607.12 = 521,679.48/x
  3. Step 3: Cross multiply
    1,090,446.84x = 1,634,607.12 × 521,679.48
  4. Step 4: Simplify right side
    1,090,446.84x = 852,740,992,365.90
  5. Step 5: Solve for x
    x = 852,740,992,365.90/1,090,446.84
  6. Step 6: Final answer
    x = 782,010.60

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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.