Home / 713,727.12-1,071,921.48-628,368.24

Finding the Fourth Proportional to 713,727.12, 1,071,921.48 and 628,368.24

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Solution

The fourth proportional to 713,727.12, 1,071,921.48 and 628,368.24 is: 943,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,727.12 : 1,071,921.48 = 628,368.24 : x
  2. Step 2: Convert to fraction form
    713,727.12/1,071,921.48 = 628,368.24/x
  3. Step 3: Cross multiply
    713,727.12x = 1,071,921.48 × 628,368.24
  4. Step 4: Simplify right side
    713,727.12x = 673,561,413,805.80
  5. Step 5: Solve for x
    x = 673,561,413,805.80/713,727.12
  6. Step 6: Final answer
    x = 943,724.00

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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.