Home / 1,284,627.35-1,772,656.52-711,560.45

Finding the Fourth Proportional to 1,284,627.35, 1,772,656.52 and 711,560.45

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Solution

The fourth proportional to 1,284,627.35, 1,772,656.52 and 711,560.45 is: 981,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,627.35 : 1,772,656.52 = 711,560.45 : x
  2. Step 2: Convert to fraction form
    1,284,627.35/1,772,656.52 = 711,560.45/x
  3. Step 3: Cross multiply
    1,284,627.35x = 1,772,656.52 × 711,560.45
  4. Step 4: Simplify right side
    1,284,627.35x = 1,261,352,258,645.55
  5. Step 5: Solve for x
    x = 1,261,352,258,645.55/1,284,627.35
  6. Step 6: Final answer
    x = 981,881.84

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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.