Home / 821,793.61-1,134,053.47-459,220.45

Finding the Fourth Proportional to 821,793.61, 1,134,053.47 and 459,220.45

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Solution

The fourth proportional to 821,793.61, 1,134,053.47 and 459,220.45 is: 633,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,793.61 : 1,134,053.47 = 459,220.45 : x
  2. Step 2: Convert to fraction form
    821,793.61/1,134,053.47 = 459,220.45/x
  3. Step 3: Cross multiply
    821,793.61x = 1,134,053.47 × 459,220.45
  4. Step 4: Simplify right side
    821,793.61x = 520,780,546,923.22
  5. Step 5: Solve for x
    x = 520,780,546,923.22/821,793.61
  6. Step 6: Final answer
    x = 633,712.09

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Double scale
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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.