Home / 946,619.15-1,306,334.25-516,899.63

Finding the Fourth Proportional to 946,619.15, 1,306,334.25 and 516,899.63

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Solution

The fourth proportional to 946,619.15, 1,306,334.25 and 516,899.63 is: 713,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,619.15 : 1,306,334.25 = 516,899.63 : x
  2. Step 2: Convert to fraction form
    946,619.15/1,306,334.25 = 516,899.63/x
  3. Step 3: Cross multiply
    946,619.15x = 1,306,334.25 × 516,899.63
  4. Step 4: Simplify right side
    946,619.15x = 675,243,693,747.16
  5. Step 5: Solve for x
    x = 675,243,693,747.16/946,619.15
  6. Step 6: Final answer
    x = 713,321.40

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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.