Home / 1,282,627.78-1,769,999.01-701,848.51

Finding the Fourth Proportional to 1,282,627.78, 1,769,999.01 and 701,848.51

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Solution

The fourth proportional to 1,282,627.78, 1,769,999.01 and 701,848.51 is: 968,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,627.78 : 1,769,999.01 = 701,848.51 : x
  2. Step 2: Convert to fraction form
    1,282,627.78/1,769,999.01 = 701,848.51/x
  3. Step 3: Cross multiply
    1,282,627.78x = 1,769,999.01 × 701,848.51
  4. Step 4: Simplify right side
    1,282,627.78x = 1,242,271,167,869.98
  5. Step 5: Solve for x
    x = 1,242,271,167,869.98/1,282,627.78
  6. Step 6: Final answer
    x = 968,535.99

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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.