Home / 1,284,627.34-1,772,656.51-711,560.44

Finding the Fourth Proportional to 1,284,627.34, 1,772,656.51 and 711,560.44

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Solution

The fourth proportional to 1,284,627.34, 1,772,656.51 and 711,560.44 is: 981,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,627.34 : 1,772,656.51 = 711,560.44 : x
  2. Step 2: Convert to fraction form
    1,284,627.34/1,772,656.51 = 711,560.44/x
  3. Step 3: Cross multiply
    1,284,627.34x = 1,772,656.51 × 711,560.44
  4. Step 4: Simplify right side
    1,284,627.34x = 1,261,352,246,224.46
  5. Step 5: Solve for x
    x = 1,261,352,246,224.46/1,284,627.34
  6. Step 6: Final answer
    x = 981,881.83

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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.