Home / 1,333,485.37-1,840,011.93-809,923.72

Finding the Fourth Proportional to 1,333,485.37, 1,840,011.93 and 809,923.72

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Solution

The fourth proportional to 1,333,485.37, 1,840,011.93 and 809,923.72 is: 1,117,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,485.37 : 1,840,011.93 = 809,923.72 : x
  2. Step 2: Convert to fraction form
    1,333,485.37/1,840,011.93 = 809,923.72/x
  3. Step 3: Cross multiply
    1,333,485.37x = 1,840,011.93 × 809,923.72
  4. Step 4: Simplify right side
    1,333,485.37x = 1,490,269,307,189.98
  5. Step 5: Solve for x
    x = 1,490,269,307,189.98/1,333,485.37
  6. Step 6: Final answer
    x = 1,117,574.55

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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.