Home / 968,470.75-1,336,426.45-538,735.51

Finding the Fourth Proportional to 968,470.75, 1,336,426.45 and 538,735.51

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Solution

The fourth proportional to 968,470.75, 1,336,426.45 and 538,735.51 is: 743,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,470.75 : 1,336,426.45 = 538,735.51 : x
  2. Step 2: Convert to fraction form
    968,470.75/1,336,426.45 = 538,735.51/x
  3. Step 3: Cross multiply
    968,470.75x = 1,336,426.45 × 538,735.51
  4. Step 4: Simplify right side
    968,470.75x = 719,980,385,118.24
  5. Step 5: Solve for x
    x = 719,980,385,118.24/968,470.75
  6. Step 6: Final answer
    x = 743,419.86

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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.