Home / 931,318.74-1,285,534.53-605,078.10

Finding the Fourth Proportional to 931,318.74, 1,285,534.53 and 605,078.10

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Solution

The fourth proportional to 931,318.74, 1,285,534.53 and 605,078.10 is: 835,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,318.74 : 1,285,534.53 = 605,078.10 : x
  2. Step 2: Convert to fraction form
    931,318.74/1,285,534.53 = 605,078.10/x
  3. Step 3: Cross multiply
    931,318.74x = 1,285,534.53 × 605,078.10
  4. Step 4: Simplify right side
    931,318.74x = 777,848,790,896.79
  5. Step 5: Solve for x
    x = 777,848,790,896.79/931,318.74
  6. Step 6: Final answer
    x = 835,212.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.