Home / 1,157,556.80-1,736,335.20-821,633.60

Finding the Fourth Proportional to 1,157,556.80, 1,736,335.20 and 821,633.60

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Solution

The fourth proportional to 1,157,556.80, 1,736,335.20 and 821,633.60 is: 1,232,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,556.80 : 1,736,335.20 = 821,633.60 : x
  2. Step 2: Convert to fraction form
    1,157,556.80/1,736,335.20 = 821,633.60/x
  3. Step 3: Cross multiply
    1,157,556.80x = 1,736,335.20 × 821,633.60
  4. Step 4: Simplify right side
    1,157,556.80x = 1,426,631,341,182.72
  5. Step 5: Solve for x
    x = 1,426,631,341,182.72/1,157,556.80
  6. Step 6: Final answer
    x = 1,232,450.40

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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.