Home / 1,312,806.61-1,969,559.97-471,365.65

Finding the Fourth Proportional to 1,312,806.61, 1,969,559.97 and 471,365.65

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Solution

The fourth proportional to 1,312,806.61, 1,969,559.97 and 471,365.65 is: 707,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,806.61 : 1,969,559.97 = 471,365.65 : x
  2. Step 2: Convert to fraction form
    1,312,806.61/1,969,559.97 = 471,365.65/x
  3. Step 3: Cross multiply
    1,312,806.61x = 1,969,559.97 × 471,365.65
  4. Step 4: Simplify right side
    1,312,806.61x = 928,382,915,473.03
  5. Step 5: Solve for x
    x = 928,382,915,473.03/1,312,806.61
  6. Step 6: Final answer
    x = 707,174.16

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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.