Home / 713,309.36-1,070,427.72-308,896.52

Finding the Fourth Proportional to 713,309.36, 1,070,427.72 and 308,896.52

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Solution

The fourth proportional to 713,309.36, 1,070,427.72 and 308,896.52 is: 463,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,309.36 : 1,070,427.72 = 308,896.52 : x
  2. Step 2: Convert to fraction form
    713,309.36/1,070,427.72 = 308,896.52/x
  3. Step 3: Cross multiply
    713,309.36x = 1,070,427.72 × 308,896.52
  4. Step 4: Simplify right side
    713,309.36x = 330,651,397,619.53
  5. Step 5: Solve for x
    x = 330,651,397,619.53/713,309.36
  6. Step 6: Final answer
    x = 463,545.58

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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.