Home / 1,330,603.60-1,836,233.70-718,756.37

Finding the Fourth Proportional to 1,330,603.60, 1,836,233.70 and 718,756.37

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Solution

The fourth proportional to 1,330,603.60, 1,836,233.70 and 718,756.37 is: 991,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,603.60 : 1,836,233.70 = 718,756.37 : x
  2. Step 2: Convert to fraction form
    1,330,603.60/1,836,233.70 = 718,756.37/x
  3. Step 3: Cross multiply
    1,330,603.60x = 1,836,233.70 × 718,756.37
  4. Step 4: Simplify right side
    1,330,603.60x = 1,319,804,668,683.67
  5. Step 5: Solve for x
    x = 1,319,804,668,683.67/1,330,603.60
  6. Step 6: Final answer
    x = 991,884.19

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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.