Home / 1,431,087.35-1,974,923.57-819,237.65

Finding the Fourth Proportional to 1,431,087.35, 1,974,923.57 and 819,237.65

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Solution

The fourth proportional to 1,431,087.35, 1,974,923.57 and 819,237.65 is: 1,130,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,087.35 : 1,974,923.57 = 819,237.65 : x
  2. Step 2: Convert to fraction form
    1,431,087.35/1,974,923.57 = 819,237.65/x
  3. Step 3: Cross multiply
    1,431,087.35x = 1,974,923.57 × 819,237.65
  4. Step 4: Simplify right side
    1,431,087.35x = 1,617,931,736,589.89
  5. Step 5: Solve for x
    x = 1,617,931,736,589.89/1,431,087.35
  6. Step 6: Final answer
    x = 1,130,561.14

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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.