Home / 874,735.01-1,312,517.24-520,448.93

Finding the Fourth Proportional to 874,735.01, 1,312,517.24 and 520,448.93

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Solution

The fourth proportional to 874,735.01, 1,312,517.24 and 520,448.93 is: 780,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,735.01 : 1,312,517.24 = 520,448.93 : x
  2. Step 2: Convert to fraction form
    874,735.01/1,312,517.24 = 520,448.93/x
  3. Step 3: Cross multiply
    874,735.01x = 1,312,517.24 × 520,448.93
  4. Step 4: Simplify right side
    874,735.01x = 683,098,190,562.31
  5. Step 5: Solve for x
    x = 683,098,190,562.31/874,735.01
  6. Step 6: Final answer
    x = 780,920.14

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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.