Home / 974,081.88-1,343,362.71-611,539.53

Finding the Fourth Proportional to 974,081.88, 1,343,362.71 and 611,539.53

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Solution

The fourth proportional to 974,081.88, 1,343,362.71 and 611,539.53 is: 843,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,081.88 : 1,343,362.71 = 611,539.53 : x
  2. Step 2: Convert to fraction form
    974,081.88/1,343,362.71 = 611,539.53/x
  3. Step 3: Cross multiply
    974,081.88x = 1,343,362.71 × 611,539.53
  4. Step 4: Simplify right side
    974,081.88x = 821,519,400,292.93
  5. Step 5: Solve for x
    x = 821,519,400,292.93/974,081.88
  6. Step 6: Final answer
    x = 843,378.18

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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.