Home / 839,191.71-1,158,513.44-568,688.79

Finding the Fourth Proportional to 839,191.71, 1,158,513.44 and 568,688.79

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Solution

The fourth proportional to 839,191.71, 1,158,513.44 and 568,688.79 is: 785,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,191.71 : 1,158,513.44 = 568,688.79 : x
  2. Step 2: Convert to fraction form
    839,191.71/1,158,513.44 = 568,688.79/x
  3. Step 3: Cross multiply
    839,191.71x = 1,158,513.44 × 568,688.79
  4. Step 4: Simplify right side
    839,191.71x = 658,833,603,548.89
  5. Step 5: Solve for x
    x = 658,833,603,548.89/839,191.71
  6. Step 6: Final answer
    x = 785,081.16

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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.