Home / 1,117,625.37-1,676,688.05-407,653.41

Finding the Fourth Proportional to 1,117,625.37, 1,676,688.05 and 407,653.41

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Solution

The fourth proportional to 1,117,625.37, 1,676,688.05 and 407,653.41 is: 611,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,625.37 : 1,676,688.05 = 407,653.41 : x
  2. Step 2: Convert to fraction form
    1,117,625.37/1,676,688.05 = 407,653.41/x
  3. Step 3: Cross multiply
    1,117,625.37x = 1,676,688.05 × 407,653.41
  4. Step 4: Simplify right side
    1,117,625.37x = 683,507,602,107.88
  5. Step 5: Solve for x
    x = 683,507,602,107.88/1,117,625.37
  6. Step 6: Final answer
    x = 611,571.30

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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.