Home / 867,982.16-1,301,342.36-362,687.78

Finding the Fourth Proportional to 867,982.16, 1,301,342.36 and 362,687.78

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Solution

The fourth proportional to 867,982.16, 1,301,342.36 and 362,687.78 is: 543,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,982.16 : 1,301,342.36 = 362,687.78 : x
  2. Step 2: Convert to fraction form
    867,982.16/1,301,342.36 = 362,687.78/x
  3. Step 3: Cross multiply
    867,982.16x = 1,301,342.36 × 362,687.78
  4. Step 4: Simplify right side
    867,982.16x = 471,980,971,568.36
  5. Step 5: Solve for x
    x = 471,980,971,568.36/867,982.16
  6. Step 6: Final answer
    x = 543,768.06

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1.5x scale

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.