Home / 1,196,128.38-1,793,601.80-437,397.88

Finding the Fourth Proportional to 1,196,128.38, 1,793,601.80 and 437,397.88

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Solution

The fourth proportional to 1,196,128.38, 1,793,601.80 and 437,397.88 is: 655,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,128.38 : 1,793,601.80 = 437,397.88 : x
  2. Step 2: Convert to fraction form
    1,196,128.38/1,793,601.80 = 437,397.88/x
  3. Step 3: Cross multiply
    1,196,128.38x = 1,793,601.80 × 437,397.88
  4. Step 4: Simplify right side
    1,196,128.38x = 784,517,624,884.18
  5. Step 5: Solve for x
    x = 784,517,624,884.18/1,196,128.38
  6. Step 6: Final answer
    x = 655,880.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.