Home / 936,189.76-1,291,978.50-548,951.36

Finding the Fourth Proportional to 936,189.76, 1,291,978.50 and 548,951.36

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Solution

The fourth proportional to 936,189.76, 1,291,978.50 and 548,951.36 is: 757,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,189.76 : 1,291,978.50 = 548,951.36 : x
  2. Step 2: Convert to fraction form
    936,189.76/1,291,978.50 = 548,951.36/x
  3. Step 3: Cross multiply
    936,189.76x = 1,291,978.50 × 548,951.36
  4. Step 4: Simplify right side
    936,189.76x = 709,233,354,665.76
  5. Step 5: Solve for x
    x = 709,233,354,665.76/936,189.76
  6. Step 6: Final answer
    x = 757,574.36

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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.