Home / 526,923.56-790,387.35-127,563.68

Finding the Fourth Proportional to 526,923.56, 790,387.35 and 127,563.68

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Solution

The fourth proportional to 526,923.56, 790,387.35 and 127,563.68 is: 191,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,923.56 : 790,387.35 = 127,563.68 : x
  2. Step 2: Convert to fraction form
    526,923.56/790,387.35 = 127,563.68/x
  3. Step 3: Cross multiply
    526,923.56x = 790,387.35 × 127,563.68
  4. Step 4: Simplify right side
    526,923.56x = 100,824,718,991.45
  5. Step 5: Solve for x
    x = 100,824,718,991.45/526,923.56
  6. Step 6: Final answer
    x = 191,346.01

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1.5x scale

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.