Home / 974,072.65-1,343,349.88-611,530.29

Finding the Fourth Proportional to 974,072.65, 1,343,349.88 and 611,530.29

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Solution

The fourth proportional to 974,072.65, 1,343,349.88 and 611,530.29 is: 843,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,072.65 : 1,343,349.88 = 611,530.29 : x
  2. Step 2: Convert to fraction form
    974,072.65/1,343,349.88 = 611,530.29/x
  3. Step 3: Cross multiply
    974,072.65x = 1,343,349.88 × 611,530.29
  4. Step 4: Simplify right side
    974,072.65x = 821,499,141,687.87
  5. Step 5: Solve for x
    x = 821,499,141,687.87/974,072.65
  6. Step 6: Final answer
    x = 843,365.37

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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.