Home / 988,683.84-1,364,453.64-558,968.04

Finding the Fourth Proportional to 988,683.84, 1,364,453.64 and 558,968.04

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Solution

The fourth proportional to 988,683.84, 1,364,453.64 and 558,968.04 is: 771,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,683.84 : 1,364,453.64 = 558,968.04 : x
  2. Step 2: Convert to fraction form
    988,683.84/1,364,453.64 = 558,968.04/x
  3. Step 3: Cross multiply
    988,683.84x = 1,364,453.64 × 558,968.04
  4. Step 4: Simplify right side
    988,683.84x = 762,685,976,821.67
  5. Step 5: Solve for x
    x = 762,685,976,821.67/988,683.84
  6. Step 6: Final answer
    x = 771,415.44

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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.