Home / 980,431.23-1,353,027.95-544,866.93

Finding the Fourth Proportional to 980,431.23, 1,353,027.95 and 544,866.93

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Solution

The fourth proportional to 980,431.23, 1,353,027.95 and 544,866.93 is: 751,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,431.23 : 1,353,027.95 = 544,866.93 : x
  2. Step 2: Convert to fraction form
    980,431.23/1,353,027.95 = 544,866.93/x
  3. Step 3: Cross multiply
    980,431.23x = 1,353,027.95 × 544,866.93
  4. Step 4: Simplify right side
    980,431.23x = 737,220,185,320.69
  5. Step 5: Solve for x
    x = 737,220,185,320.69/980,431.23
  6. Step 6: Final answer
    x = 751,934.62

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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.