Home / 839,560.46-1,259,606.93-299,804.91

Finding the Fourth Proportional to 839,560.46, 1,259,606.93 and 299,804.91

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Solution

The fourth proportional to 839,560.46, 1,259,606.93 and 299,804.91 is: 449,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,560.46 : 1,259,606.93 = 299,804.91 : x
  2. Step 2: Convert to fraction form
    839,560.46/1,259,606.93 = 299,804.91/x
  3. Step 3: Cross multiply
    839,560.46x = 1,259,606.93 × 299,804.91
  4. Step 4: Simplify right side
    839,560.46x = 377,636,340,785.00
  5. Step 5: Solve for x
    x = 377,636,340,785.00/839,560.46
  6. Step 6: Final answer
    x = 449,802.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.