Home / 526,923.81-790,387.74-127,563.95

Finding the Fourth Proportional to 526,923.81, 790,387.74 and 127,563.95

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Solution

The fourth proportional to 526,923.81, 790,387.74 and 127,563.95 is: 191,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,923.81 : 790,387.74 = 127,563.95 : x
  2. Step 2: Convert to fraction form
    526,923.81/790,387.74 = 127,563.95/x
  3. Step 3: Cross multiply
    526,923.81x = 790,387.74 × 127,563.95
  4. Step 4: Simplify right side
    526,923.81x = 100,824,978,194.03
  5. Step 5: Solve for x
    x = 100,824,978,194.03/526,923.81
  6. Step 6: Final answer
    x = 191,346.41

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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.