Home / 1,004,993.80-1,507,290.14-492,438.76

Finding the Fourth Proportional to 1,004,993.80, 1,507,290.14 and 492,438.76

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Solution

The fourth proportional to 1,004,993.80, 1,507,290.14 and 492,438.76 is: 738,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,993.80 : 1,507,290.14 = 492,438.76 : x
  2. Step 2: Convert to fraction form
    1,004,993.80/1,507,290.14 = 492,438.76/x
  3. Step 3: Cross multiply
    1,004,993.80x = 1,507,290.14 × 492,438.76
  4. Step 4: Simplify right side
    1,004,993.80x = 742,248,087,501.83
  5. Step 5: Solve for x
    x = 742,248,087,501.83/1,004,993.80
  6. Step 6: Final answer
    x = 738,559.87

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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.