Home / 1,330,601.39-1,836,230.59-718,754.12

Finding the Fourth Proportional to 1,330,601.39, 1,836,230.59 and 718,754.12

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Solution

The fourth proportional to 1,330,601.39, 1,836,230.59 and 718,754.12 is: 991,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,601.39 : 1,836,230.59 = 718,754.12 : x
  2. Step 2: Convert to fraction form
    1,330,601.39/1,836,230.59 = 718,754.12/x
  3. Step 3: Cross multiply
    1,330,601.39x = 1,836,230.59 × 718,754.12
  4. Step 4: Simplify right side
    1,330,601.39x = 1,319,798,301,832.53
  5. Step 5: Solve for x
    x = 1,319,798,301,832.53/1,330,601.39
  6. Step 6: Final answer
    x = 991,881.05

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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.