Home / 757,519.56-1,046,881.62-621,341.64

Finding the Fourth Proportional to 757,519.56, 1,046,881.62 and 621,341.64

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Solution

The fourth proportional to 757,519.56, 1,046,881.62 and 621,341.64 is: 858,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,519.56 : 1,046,881.62 = 621,341.64 : x
  2. Step 2: Convert to fraction form
    757,519.56/1,046,881.62 = 621,341.64/x
  3. Step 3: Cross multiply
    757,519.56x = 1,046,881.62 × 621,341.64
  4. Step 4: Simplify right side
    757,519.56x = 650,471,142,656.66
  5. Step 5: Solve for x
    x = 650,471,142,656.66/757,519.56
  6. Step 6: Final answer
    x = 858,685.61

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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.