Home / 1,038,341-1,557,680-406,912.52

Finding the Fourth Proportional to 1,038,341, 1,557,680 and 406,912.52

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Solution

The fourth proportional to 1,038,341, 1,557,680 and 406,912.52 is: 610,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,341 : 1,557,680 = 406,912.52 : x
  2. Step 2: Convert to fraction form
    1,038,341/1,557,680 = 406,912.52/x
  3. Step 3: Cross multiply
    1,038,341x = 1,557,680 × 406,912.52
  4. Step 4: Simplify right side
    1,038,341x = 633,839,494,153.60
  5. Step 5: Solve for x
    x = 633,839,494,153.60/1,038,341
  6. Step 6: Final answer
    x = 610,434.81

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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.