Home / 1,420,141.11-1,959,784.38-775,561.11

Finding the Fourth Proportional to 1,420,141.11, 1,959,784.38 and 775,561.11

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Solution

The fourth proportional to 1,420,141.11, 1,959,784.38 and 775,561.11 is: 1,070,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,141.11 : 1,959,784.38 = 775,561.11 : x
  2. Step 2: Convert to fraction form
    1,420,141.11/1,959,784.38 = 775,561.11/x
  3. Step 3: Cross multiply
    1,420,141.11x = 1,959,784.38 × 775,561.11
  4. Step 4: Simplify right side
    1,420,141.11x = 1,519,932,549,113.46
  5. Step 5: Solve for x
    x = 1,519,932,549,113.46/1,420,141.11
  6. Step 6: Final answer
    x = 1,070,268.68

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1.5x scale

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.