Home / 821,794.61-1,134,054.85-459,221.45

Finding the Fourth Proportional to 821,794.61, 1,134,054.85 and 459,221.45

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Solution

The fourth proportional to 821,794.61, 1,134,054.85 and 459,221.45 is: 633,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,794.61 : 1,134,054.85 = 459,221.45 : x
  2. Step 2: Convert to fraction form
    821,794.61/1,134,054.85 = 459,221.45/x
  3. Step 3: Cross multiply
    821,794.61x = 1,134,054.85 × 459,221.45
  4. Step 4: Simplify right side
    821,794.61x = 520,782,312,596.53
  5. Step 5: Solve for x
    x = 520,782,312,596.53/821,794.61
  6. Step 6: Final answer
    x = 633,713.47

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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.