Home / 810,328.27-1,116,919.38-574,660.81

Finding the Fourth Proportional to 810,328.27, 1,116,919.38 and 574,660.81

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Solution

The fourth proportional to 810,328.27, 1,116,919.38 and 574,660.81 is: 792,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,328.27 : 1,116,919.38 = 574,660.81 : x
  2. Step 2: Convert to fraction form
    810,328.27/1,116,919.38 = 574,660.81/x
  3. Step 3: Cross multiply
    810,328.27x = 1,116,919.38 × 574,660.81
  4. Step 4: Simplify right side
    810,328.27x = 641,849,795,615.50
  5. Step 5: Solve for x
    x = 641,849,795,615.50/810,328.27
  6. Step 6: Final answer
    x = 792,086.15

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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.