Home / 1,397,527.09-1,928,575.78-785,682.59

Finding the Fourth Proportional to 1,397,527.09, 1,928,575.78 and 785,682.59

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Solution

The fourth proportional to 1,397,527.09, 1,928,575.78 and 785,682.59 is: 1,084,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,527.09 : 1,928,575.78 = 785,682.59 : x
  2. Step 2: Convert to fraction form
    1,397,527.09/1,928,575.78 = 785,682.59/x
  3. Step 3: Cross multiply
    1,397,527.09x = 1,928,575.78 × 785,682.59
  4. Step 4: Simplify right side
    1,397,527.09x = 1,515,248,402,234.58
  5. Step 5: Solve for x
    x = 1,515,248,402,234.58/1,397,527.09
  6. Step 6: Final answer
    x = 1,084,235.44

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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.