Home / 743,501.70-1,114,625.61-322,460.46

Finding the Fourth Proportional to 743,501.70, 1,114,625.61 and 322,460.46

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Solution

The fourth proportional to 743,501.70, 1,114,625.61 and 322,460.46 is: 483,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,501.70 : 1,114,625.61 = 322,460.46 : x
  2. Step 2: Convert to fraction form
    743,501.70/1,114,625.61 = 322,460.46/x
  3. Step 3: Cross multiply
    743,501.70x = 1,114,625.61 × 322,460.46
  4. Step 4: Simplify right side
    743,501.70x = 359,422,686,928.38
  5. Step 5: Solve for x
    x = 359,422,686,928.38/743,501.70
  6. Step 6: Final answer
    x = 483,418.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.