Home / 713,998.18-1,071,277.33-314,358.63

Finding the Fourth Proportional to 713,998.18, 1,071,277.33 and 314,358.63

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Solution

The fourth proportional to 713,998.18, 1,071,277.33 and 314,358.63 is: 471,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,998.18 : 1,071,277.33 = 314,358.63 : x
  2. Step 2: Convert to fraction form
    713,998.18/1,071,277.33 = 314,358.63/x
  3. Step 3: Cross multiply
    713,998.18x = 1,071,277.33 × 314,358.63
  4. Step 4: Simplify right side
    713,998.18x = 336,765,273,808.86
  5. Step 5: Solve for x
    x = 336,765,273,808.86/713,998.18
  6. Step 6: Final answer
    x = 471,661.25

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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.