Home / 1,416,912.65-2,125,378.54-517,984.57

Finding the Fourth Proportional to 1,416,912.65, 2,125,378.54 and 517,984.57

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Solution

The fourth proportional to 1,416,912.65, 2,125,378.54 and 517,984.57 is: 776,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,912.65 : 2,125,378.54 = 517,984.57 : x
  2. Step 2: Convert to fraction form
    1,416,912.65/2,125,378.54 = 517,984.57/x
  3. Step 3: Cross multiply
    1,416,912.65x = 2,125,378.54 × 517,984.57
  4. Step 4: Simplify right side
    1,416,912.65x = 1,100,913,292,433.33
  5. Step 5: Solve for x
    x = 1,100,913,292,433.33/1,416,912.65
  6. Step 6: Final answer
    x = 776,980.35

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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.