Home / 1,285,870.08-1,774,452.48-712,919.04

Finding the Fourth Proportional to 1,285,870.08, 1,774,452.48 and 712,919.04

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Solution

The fourth proportional to 1,285,870.08, 1,774,452.48 and 712,919.04 is: 983,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,870.08 : 1,774,452.48 = 712,919.04 : x
  2. Step 2: Convert to fraction form
    1,285,870.08/1,774,452.48 = 712,919.04/x
  3. Step 3: Cross multiply
    1,285,870.08x = 1,774,452.48 × 712,919.04
  4. Step 4: Simplify right side
    1,285,870.08x = 1,265,040,958,567.22
  5. Step 5: Solve for x
    x = 1,265,040,958,567.22/1,285,870.08
  6. Step 6: Final answer
    x = 983,801.54

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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.