Home / 931,622.44-1,285,478.78-523,667.68

Finding the Fourth Proportional to 931,622.44, 1,285,478.78 and 523,667.68

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Solution

The fourth proportional to 931,622.44, 1,285,478.78 and 523,667.68 is: 722,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,622.44 : 1,285,478.78 = 523,667.68 : x
  2. Step 2: Convert to fraction form
    931,622.44/1,285,478.78 = 523,667.68/x
  3. Step 3: Cross multiply
    931,622.44x = 1,285,478.78 × 523,667.68
  4. Step 4: Simplify right side
    931,622.44x = 673,163,690,411.83
  5. Step 5: Solve for x
    x = 673,163,690,411.83/931,622.44
  6. Step 6: Final answer
    x = 722,571.36

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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.