Home / 874,933.28-1,207,407.67-472,525.28

Finding the Fourth Proportional to 874,933.28, 1,207,407.67 and 472,525.28

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Solution

The fourth proportional to 874,933.28, 1,207,407.67 and 472,525.28 is: 652,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,933.28 : 1,207,407.67 = 472,525.28 : x
  2. Step 2: Convert to fraction form
    874,933.28/1,207,407.67 = 472,525.28/x
  3. Step 3: Cross multiply
    874,933.28x = 1,207,407.67 × 472,525.28
  4. Step 4: Simplify right side
    874,933.28x = 570,530,640,122.55
  5. Step 5: Solve for x
    x = 570,530,640,122.55/874,933.28
  6. Step 6: Final answer
    x = 652,084.74

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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.