Home / 1,071,100.80-1,605,530.16-360,883.44

Finding the Fourth Proportional to 1,071,100.80, 1,605,530.16 and 360,883.44

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Solution

The fourth proportional to 1,071,100.80, 1,605,530.16 and 360,883.44 is: 540,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,100.80 : 1,605,530.16 = 360,883.44 : x
  2. Step 2: Convert to fraction form
    1,071,100.80/1,605,530.16 = 360,883.44/x
  3. Step 3: Cross multiply
    1,071,100.80x = 1,605,530.16 × 360,883.44
  4. Step 4: Simplify right side
    1,071,100.80x = 579,409,247,164.55
  5. Step 5: Solve for x
    x = 579,409,247,164.55/1,071,100.80
  6. Step 6: Final answer
    x = 540,947.45

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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.