Home / 734,072.48-1,100,752.71-430,565.82

Finding the Fourth Proportional to 734,072.48, 1,100,752.71 and 430,565.82

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Solution

The fourth proportional to 734,072.48, 1,100,752.71 and 430,565.82 is: 645,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,072.48 : 1,100,752.71 = 430,565.82 : x
  2. Step 2: Convert to fraction form
    734,072.48/1,100,752.71 = 430,565.82/x
  3. Step 3: Cross multiply
    734,072.48x = 1,100,752.71 × 430,565.82
  4. Step 4: Simplify right side
    734,072.48x = 473,946,493,198.37
  5. Step 5: Solve for x
    x = 473,946,493,198.37/734,072.48
  6. Step 6: Final answer
    x = 645,639.92

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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.