Home / 980,436.67-1,352,792.73-572,353.32

Finding the Fourth Proportional to 980,436.67, 1,352,792.73 and 572,353.32

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Solution

The fourth proportional to 980,436.67, 1,352,792.73 and 572,353.32 is: 789,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,436.67 : 1,352,792.73 = 572,353.32 : x
  2. Step 2: Convert to fraction form
    980,436.67/1,352,792.73 = 572,353.32/x
  3. Step 3: Cross multiply
    980,436.67x = 1,352,792.73 × 572,353.32
  4. Step 4: Simplify right side
    980,436.67x = 774,275,403,523.40
  5. Step 5: Solve for x
    x = 774,275,403,523.40/980,436.67
  6. Step 6: Final answer
    x = 789,725.06

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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.