Home / 1,437,512.88-2,155,637.80-538,323.96

Finding the Fourth Proportional to 1,437,512.88, 2,155,637.80 and 538,323.96

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Solution

The fourth proportional to 1,437,512.88, 2,155,637.80 and 538,323.96 is: 807,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,512.88 : 2,155,637.80 = 538,323.96 : x
  2. Step 2: Convert to fraction form
    1,437,512.88/2,155,637.80 = 538,323.96/x
  3. Step 3: Cross multiply
    1,437,512.88x = 2,155,637.80 × 538,323.96
  4. Step 4: Simplify right side
    1,437,512.88x = 1,160,431,476,821.69
  5. Step 5: Solve for x
    x = 1,160,431,476,821.69/1,437,512.88
  6. Step 6: Final answer
    x = 807,249.45

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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.