Home / 1,285,648.01-1,774,074.96-712,639.43

Finding the Fourth Proportional to 1,285,648.01, 1,774,074.96 and 712,639.43

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Solution

The fourth proportional to 1,285,648.01, 1,774,074.96 and 712,639.43 is: 983,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,648.01 : 1,774,074.96 = 712,639.43 : x
  2. Step 2: Convert to fraction form
    1,285,648.01/1,774,074.96 = 712,639.43/x
  3. Step 3: Cross multiply
    1,285,648.01x = 1,774,074.96 × 712,639.43
  4. Step 4: Simplify right side
    1,285,648.01x = 1,264,275,759,401.30
  5. Step 5: Solve for x
    x = 1,264,275,759,401.30/1,285,648.01
  6. Step 6: Final answer
    x = 983,376.29

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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.