Home / 1,319,391.10-1,820,955.09-836,001.22

Finding the Fourth Proportional to 1,319,391.10, 1,820,955.09 and 836,001.22

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Solution

The fourth proportional to 1,319,391.10, 1,820,955.09 and 836,001.22 is: 1,153,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,391.10 : 1,820,955.09 = 836,001.22 : x
  2. Step 2: Convert to fraction form
    1,319,391.10/1,820,955.09 = 836,001.22/x
  3. Step 3: Cross multiply
    1,319,391.10x = 1,820,955.09 × 836,001.22
  4. Step 4: Simplify right side
    1,319,391.10x = 1,522,320,676,805.21
  5. Step 5: Solve for x
    x = 1,522,320,676,805.21/1,319,391.10
  6. Step 6: Final answer
    x = 1,153,805.48

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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.