Home / 839,736-1,159,249.39-581,808.51

Finding the Fourth Proportional to 839,736, 1,159,249.39 and 581,808.51

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Solution

The fourth proportional to 839,736, 1,159,249.39 and 581,808.51 is: 803,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,736 : 1,159,249.39 = 581,808.51 : x
  2. Step 2: Convert to fraction form
    839,736/1,159,249.39 = 581,808.51/x
  3. Step 3: Cross multiply
    839,736x = 1,159,249.39 × 581,808.51
  4. Step 4: Simplify right side
    839,736x = 674,461,158,859.79
  5. Step 5: Solve for x
    x = 674,461,158,859.79/839,736
  6. Step 6: Final answer
    x = 803,182.38

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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.