Home / 839,432.37-1,158,087.81-516,581.96

Finding the Fourth Proportional to 839,432.37, 1,158,087.81 and 516,581.96

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Solution

The fourth proportional to 839,432.37, 1,158,087.81 and 516,581.96 is: 712,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,432.37 : 1,158,087.81 = 516,581.96 : x
  2. Step 2: Convert to fraction form
    839,432.37/1,158,087.81 = 516,581.96/x
  3. Step 3: Cross multiply
    839,432.37x = 1,158,087.81 × 516,581.96
  4. Step 4: Simplify right side
    839,432.37x = 598,247,270,741.91
  5. Step 5: Solve for x
    x = 598,247,270,741.91/839,432.37
  6. Step 6: Final answer
    x = 712,680.73

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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.