Home / 936,016.68-1,291,591.80-528,094.68

Finding the Fourth Proportional to 936,016.68, 1,291,591.80 and 528,094.68

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Solution

The fourth proportional to 936,016.68, 1,291,591.80 and 528,094.68 is: 728,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,016.68 : 1,291,591.80 = 528,094.68 : x
  2. Step 2: Convert to fraction form
    936,016.68/1,291,591.80 = 528,094.68/x
  3. Step 3: Cross multiply
    936,016.68x = 1,291,591.80 × 528,094.68
  4. Step 4: Simplify right side
    936,016.68x = 682,082,758,311.62
  5. Step 5: Solve for x
    x = 682,082,758,311.62/936,016.68
  6. Step 6: Final answer
    x = 728,707.91

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1.5x scale

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.