Home / 638,566.20-957,849.30-524,404.80

Finding the Fourth Proportional to 638,566.20, 957,849.30 and 524,404.80

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Solution

The fourth proportional to 638,566.20, 957,849.30 and 524,404.80 is: 786,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,566.20 : 957,849.30 = 524,404.80 : x
  2. Step 2: Convert to fraction form
    638,566.20/957,849.30 = 524,404.80/x
  3. Step 3: Cross multiply
    638,566.20x = 957,849.30 × 524,404.80
  4. Step 4: Simplify right side
    638,566.20x = 502,300,770,596.64
  5. Step 5: Solve for x
    x = 502,300,770,596.64/638,566.20
  6. Step 6: Final answer
    x = 786,607.20

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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.