Home / 810,329.27-1,116,920.76-574,661.81

Finding the Fourth Proportional to 810,329.27, 1,116,920.76 and 574,661.81

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Solution

The fourth proportional to 810,329.27, 1,116,920.76 and 574,661.81 is: 792,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,329.27 : 1,116,920.76 = 574,661.81 : x
  2. Step 2: Convert to fraction form
    810,329.27/1,116,920.76 = 574,661.81/x
  3. Step 3: Cross multiply
    810,329.27x = 1,116,920.76 × 574,661.81
  4. Step 4: Simplify right side
    810,329.27x = 641,851,705,568.18
  5. Step 5: Solve for x
    x = 641,851,705,568.18/810,329.27
  6. Step 6: Final answer
    x = 792,087.52

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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.