Home / 1,219,653.41-1,683,120.06-675,824.40

Finding the Fourth Proportional to 1,219,653.41, 1,683,120.06 and 675,824.40

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Solution

The fourth proportional to 1,219,653.41, 1,683,120.06 and 675,824.40 is: 932,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,653.41 : 1,683,120.06 = 675,824.40 : x
  2. Step 2: Convert to fraction form
    1,219,653.41/1,683,120.06 = 675,824.40/x
  3. Step 3: Cross multiply
    1,219,653.41x = 1,683,120.06 × 675,824.40
  4. Step 4: Simplify right side
    1,219,653.41x = 1,137,493,604,677.46
  5. Step 5: Solve for x
    x = 1,137,493,604,677.46/1,219,653.41
  6. Step 6: Final answer
    x = 932,636.76

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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.