Home / 836,172.38-1,153,939.35-454,221.02

Finding the Fourth Proportional to 836,172.38, 1,153,939.35 and 454,221.02

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Solution

The fourth proportional to 836,172.38, 1,153,939.35 and 454,221.02 is: 626,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,172.38 : 1,153,939.35 = 454,221.02 : x
  2. Step 2: Convert to fraction form
    836,172.38/1,153,939.35 = 454,221.02/x
  3. Step 3: Cross multiply
    836,172.38x = 1,153,939.35 × 454,221.02
  4. Step 4: Simplify right side
    836,172.38x = 524,143,508,575.14
  5. Step 5: Solve for x
    x = 524,143,508,575.14/836,172.38
  6. Step 6: Final answer
    x = 626,836.67

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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.