Home / 713,022.89-1,068,814.65-446,970.25

Finding the Fourth Proportional to 713,022.89, 1,068,814.65 and 446,970.25

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Solution

The fourth proportional to 713,022.89, 1,068,814.65 and 446,970.25 is: 670,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,022.89 : 1,068,814.65 = 446,970.25 : x
  2. Step 2: Convert to fraction form
    713,022.89/1,068,814.65 = 446,970.25/x
  3. Step 3: Cross multiply
    713,022.89x = 1,068,814.65 × 446,970.25
  4. Step 4: Simplify right side
    713,022.89x = 477,728,345,970.09
  5. Step 5: Solve for x
    x = 477,728,345,970.09/713,022.89
  6. Step 6: Final answer
    x = 670,004.22

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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.