Home / 821,692.14-1,133,913.81-459,118.52

Finding the Fourth Proportional to 821,692.14, 1,133,913.81 and 459,118.52

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Solution

The fourth proportional to 821,692.14, 1,133,913.81 and 459,118.52 is: 633,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,692.14 : 1,133,913.81 = 459,118.52 : x
  2. Step 2: Convert to fraction form
    821,692.14/1,133,913.81 = 459,118.52/x
  3. Step 3: Cross multiply
    821,692.14x = 1,133,913.81 × 459,118.52
  4. Step 4: Simplify right side
    821,692.14x = 520,600,834,811.24
  5. Step 5: Solve for x
    x = 520,600,834,811.24/821,692.14
  6. Step 6: Final answer
    x = 633,571.64

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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.