Home / 926,911.44-1,389,859.19-287,037.54

Finding the Fourth Proportional to 926,911.44, 1,389,859.19 and 287,037.54

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Solution

The fourth proportional to 926,911.44, 1,389,859.19 and 287,037.54 is: 430,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,911.44 : 1,389,859.19 = 287,037.54 : x
  2. Step 2: Convert to fraction form
    926,911.44/1,389,859.19 = 287,037.54/x
  3. Step 3: Cross multiply
    926,911.44x = 1,389,859.19 × 287,037.54
  4. Step 4: Simplify right side
    926,911.44x = 398,941,761,408.81
  5. Step 5: Solve for x
    x = 398,941,761,408.81/926,911.44
  6. Step 6: Final answer
    x = 430,399.00

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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.