Home / 1,284,708.60-1,772,828.04-711,714.60

Finding the Fourth Proportional to 1,284,708.60, 1,772,828.04 and 711,714.60

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Solution

The fourth proportional to 1,284,708.60, 1,772,828.04 and 711,714.60 is: 982,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,708.60 : 1,772,828.04 = 711,714.60 : x
  2. Step 2: Convert to fraction form
    1,284,708.60/1,772,828.04 = 711,714.60/x
  3. Step 3: Cross multiply
    1,284,708.60x = 1,772,828.04 × 711,714.60
  4. Step 4: Simplify right side
    1,284,708.60x = 1,261,747,599,357.38
  5. Step 5: Solve for x
    x = 1,261,747,599,357.38/1,284,708.60
  6. Step 6: Final answer
    x = 982,127.46

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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.