Home / 1,516,811.76-2,275,223.85-379,570.86

Finding the Fourth Proportional to 1,516,811.76, 2,275,223.85 and 379,570.86

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Solution

The fourth proportional to 1,516,811.76, 2,275,223.85 and 379,570.86 is: 569,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,811.76 : 2,275,223.85 = 379,570.86 : x
  2. Step 2: Convert to fraction form
    1,516,811.76/2,275,223.85 = 379,570.86/x
  3. Step 3: Cross multiply
    1,516,811.76x = 2,275,223.85 × 379,570.86
  4. Step 4: Simplify right side
    1,516,811.76x = 863,608,673,437.01
  5. Step 5: Solve for x
    x = 863,608,673,437.01/1,516,811.76
  6. Step 6: Final answer
    x = 569,357.84

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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.