Home / 634,847.55-876,089.13-362,921.43

Finding the Fourth Proportional to 634,847.55, 876,089.13 and 362,921.43

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Solution

The fourth proportional to 634,847.55, 876,089.13 and 362,921.43 is: 500,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,847.55 : 876,089.13 = 362,921.43 : x
  2. Step 2: Convert to fraction form
    634,847.55/876,089.13 = 362,921.43/x
  3. Step 3: Cross multiply
    634,847.55x = 876,089.13 × 362,921.43
  4. Step 4: Simplify right side
    634,847.55x = 317,951,519,867.06
  5. Step 5: Solve for x
    x = 317,951,519,867.06/634,847.55
  6. Step 6: Final answer
    x = 500,831.29

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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.