Home / 1,556,255.00-2,147,797.01-912,216.30

Finding the Fourth Proportional to 1,556,255.00, 2,147,797.01 and 912,216.30

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Solution

The fourth proportional to 1,556,255.00, 2,147,797.01 and 912,216.30 is: 1,258,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,255.00 : 2,147,797.01 = 912,216.30 : x
  2. Step 2: Convert to fraction form
    1,556,255.00/2,147,797.01 = 912,216.30/x
  3. Step 3: Cross multiply
    1,556,255.00x = 2,147,797.01 × 912,216.30
  4. Step 4: Simplify right side
    1,556,255.00x = 1,959,255,437,052.18
  5. Step 5: Solve for x
    x = 1,959,255,437,052.18/1,556,255.00
  6. Step 6: Final answer
    x = 1,258,955.28

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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.