Home / 556,525.44-834,780.06-385,589.52

Finding the Fourth Proportional to 556,525.44, 834,780.06 and 385,589.52

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Solution

The fourth proportional to 556,525.44, 834,780.06 and 385,589.52 is: 578,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,525.44 : 834,780.06 = 385,589.52 : x
  2. Step 2: Convert to fraction form
    556,525.44/834,780.06 = 385,589.52/x
  3. Step 3: Cross multiply
    556,525.44x = 834,780.06 × 385,589.52
  4. Step 4: Simplify right side
    556,525.44x = 321,882,442,640.97
  5. Step 5: Solve for x
    x = 321,882,442,640.97/556,525.44
  6. Step 6: Final answer
    x = 578,378.67

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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.