Home / 801,728.69-1,106,403.38-457,557.76

Finding the Fourth Proportional to 801,728.69, 1,106,403.38 and 457,557.76

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Solution

The fourth proportional to 801,728.69, 1,106,403.38 and 457,557.76 is: 631,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,728.69 : 1,106,403.38 = 457,557.76 : x
  2. Step 2: Convert to fraction form
    801,728.69/1,106,403.38 = 457,557.76/x
  3. Step 3: Cross multiply
    801,728.69x = 1,106,403.38 × 457,557.76
  4. Step 4: Simplify right side
    801,728.69x = 506,243,451,733.41
  5. Step 5: Solve for x
    x = 506,243,451,733.41/801,728.69
  6. Step 6: Final answer
    x = 631,439.86

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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.