Home / 903,422.15-1,353,326.45-543,394.19

Finding the Fourth Proportional to 903,422.15, 1,353,326.45 and 543,394.19

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Solution

The fourth proportional to 903,422.15, 1,353,326.45 and 543,394.19 is: 814,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,422.15 : 1,353,326.45 = 543,394.19 : x
  2. Step 2: Convert to fraction form
    903,422.15/1,353,326.45 = 543,394.19/x
  3. Step 3: Cross multiply
    903,422.15x = 1,353,326.45 × 543,394.19
  4. Step 4: Simplify right side
    903,422.15x = 735,389,734,918.40
  5. Step 5: Solve for x
    x = 735,389,734,918.40/903,422.15
  6. Step 6: Final answer
    x = 814,004.54

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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.