Home / 1,255,816.13-1,881,557.64-687,606.20

Finding the Fourth Proportional to 1,255,816.13, 1,881,557.64 and 687,606.20

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Solution

The fourth proportional to 1,255,816.13, 1,881,557.64 and 687,606.20 is: 1,030,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,816.13 : 1,881,557.64 = 687,606.20 : x
  2. Step 2: Convert to fraction form
    1,255,816.13/1,881,557.64 = 687,606.20/x
  3. Step 3: Cross multiply
    1,255,816.13x = 1,881,557.64 × 687,606.20
  4. Step 4: Simplify right side
    1,255,816.13x = 1,293,770,698,921.37
  5. Step 5: Solve for x
    x = 1,293,770,698,921.37/1,255,816.13
  6. Step 6: Final answer
    x = 1,030,223.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.