Home / 986,527.68-1,361,287.80-556,780.56

Finding the Fourth Proportional to 986,527.68, 1,361,287.80 and 556,780.56

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Solution

The fourth proportional to 986,527.68, 1,361,287.80 and 556,780.56 is: 768,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,527.68 : 1,361,287.80 = 556,780.56 : x
  2. Step 2: Convert to fraction form
    986,527.68/1,361,287.80 = 556,780.56/x
  3. Step 3: Cross multiply
    986,527.68x = 1,361,287.80 × 556,780.56
  4. Step 4: Simplify right side
    986,527.68x = 757,938,583,605.17
  5. Step 5: Solve for x
    x = 757,938,583,605.17/986,527.68
  6. Step 6: Final answer
    x = 768,289.22

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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.