Home / 818,899.20-1,130,164.16-456,382.08

Finding the Fourth Proportional to 818,899.20, 1,130,164.16 and 456,382.08

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Solution

The fourth proportional to 818,899.20, 1,130,164.16 and 456,382.08 is: 629,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,899.20 : 1,130,164.16 = 456,382.08 : x
  2. Step 2: Convert to fraction form
    818,899.20/1,130,164.16 = 456,382.08/x
  3. Step 3: Cross multiply
    818,899.20x = 1,130,164.16 × 456,382.08
  4. Step 4: Simplify right side
    818,899.20x = 515,786,670,082.25
  5. Step 5: Solve for x
    x = 515,786,670,082.25/818,899.20
  6. Step 6: Final answer
    x = 629,853.67

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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.