Home / 1,111,525.26-1,533,884.78-628,080

Finding the Fourth Proportional to 1,111,525.26, 1,533,884.78 and 628,080

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Solution

The fourth proportional to 1,111,525.26, 1,533,884.78 and 628,080 is: 866,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,525.26 : 1,533,884.78 = 628,080 : x
  2. Step 2: Convert to fraction form
    1,111,525.26/1,533,884.78 = 628,080/x
  3. Step 3: Cross multiply
    1,111,525.26x = 1,533,884.78 × 628,080
  4. Step 4: Simplify right side
    1,111,525.26x = 963,402,352,622.40
  5. Step 5: Solve for x
    x = 963,402,352,622.40/1,111,525.26
  6. Step 6: Final answer
    x = 866,739.05

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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.