Home / 1,211,756.80-1,816,476-453,392.32

Finding the Fourth Proportional to 1,211,756.80, 1,816,476 and 453,392.32

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Solution

The fourth proportional to 1,211,756.80, 1,816,476 and 453,392.32 is: 679,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,756.80 : 1,816,476 = 453,392.32 : x
  2. Step 2: Convert to fraction form
    1,211,756.80/1,816,476 = 453,392.32/x
  3. Step 3: Cross multiply
    1,211,756.80x = 1,816,476 × 453,392.32
  4. Step 4: Simplify right side
    1,211,756.80x = 823,576,267,864.32
  5. Step 5: Solve for x
    x = 823,576,267,864.32/1,211,756.80
  6. Step 6: Final answer
    x = 679,654.75

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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.