Home / 925,936.57-1,389,037.95-286,290.19

Finding the Fourth Proportional to 925,936.57, 1,389,037.95 and 286,290.19

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Solution

The fourth proportional to 925,936.57, 1,389,037.95 and 286,290.19 is: 429,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,936.57 : 1,389,037.95 = 286,290.19 : x
  2. Step 2: Convert to fraction form
    925,936.57/1,389,037.95 = 286,290.19/x
  3. Step 3: Cross multiply
    925,936.57x = 1,389,037.95 × 286,290.19
  4. Step 4: Simplify right side
    925,936.57x = 397,667,938,622.71
  5. Step 5: Solve for x
    x = 397,667,938,622.71/925,936.57
  6. Step 6: Final answer
    x = 429,476.44

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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.