Home / 933,774.54-1,288,643.46-520,348.62

Finding the Fourth Proportional to 933,774.54, 1,288,643.46 and 520,348.62

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Solution

The fourth proportional to 933,774.54, 1,288,643.46 and 520,348.62 is: 718,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,774.54 : 1,288,643.46 = 520,348.62 : x
  2. Step 2: Convert to fraction form
    933,774.54/1,288,643.46 = 520,348.62/x
  3. Step 3: Cross multiply
    933,774.54x = 1,288,643.46 × 520,348.62
  4. Step 4: Simplify right side
    933,774.54x = 670,543,846,083.03
  5. Step 5: Solve for x
    x = 670,543,846,083.03/933,774.54
  6. Step 6: Final answer
    x = 718,100.37

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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.