Home / 1,081,611.74-1,492,811.57-651,892.43

Finding the Fourth Proportional to 1,081,611.74, 1,492,811.57 and 651,892.43

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Solution

The fourth proportional to 1,081,611.74, 1,492,811.57 and 651,892.43 is: 899,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,611.74 : 1,492,811.57 = 651,892.43 : x
  2. Step 2: Convert to fraction form
    1,081,611.74/1,492,811.57 = 651,892.43/x
  3. Step 3: Cross multiply
    1,081,611.74x = 1,492,811.57 × 651,892.43
  4. Step 4: Simplify right side
    1,081,611.74x = 973,152,561,899.42
  5. Step 5: Solve for x
    x = 973,152,561,899.42/1,081,611.74
  6. Step 6: Final answer
    x = 899,724.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.