Home / 1,319,423.38-1,821,000.08-836,033.81

Finding the Fourth Proportional to 1,319,423.38, 1,821,000.08 and 836,033.81

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Solution

The fourth proportional to 1,319,423.38, 1,821,000.08 and 836,033.81 is: 1,153,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,423.38 : 1,821,000.08 = 836,033.81 : x
  2. Step 2: Convert to fraction form
    1,319,423.38/1,821,000.08 = 836,033.81/x
  3. Step 3: Cross multiply
    1,319,423.38x = 1,821,000.08 × 836,033.81
  4. Step 4: Simplify right side
    1,319,423.38x = 1,522,417,627,877.79
  5. Step 5: Solve for x
    x = 1,522,417,627,877.79/1,319,423.38
  6. Step 6: Final answer
    x = 1,153,850.73

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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.