Home / 928,944.45-1,393,305.30-289,294.20

Finding the Fourth Proportional to 928,944.45, 1,393,305.30 and 289,294.20

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Solution

The fourth proportional to 928,944.45, 1,393,305.30 and 289,294.20 is: 433,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,944.45 : 1,393,305.30 = 289,294.20 : x
  2. Step 2: Convert to fraction form
    928,944.45/1,393,305.30 = 289,294.20/x
  3. Step 3: Cross multiply
    928,944.45x = 1,393,305.30 × 289,294.20
  4. Step 4: Simplify right side
    928,944.45x = 403,075,142,119.26
  5. Step 5: Solve for x
    x = 403,075,142,119.26/928,944.45
  6. Step 6: Final answer
    x = 433,906.62

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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.