Home / 383,454.10-574,525.05-243,048.70

Finding the Fourth Proportional to 383,454.10, 574,525.05 and 243,048.70

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Solution

The fourth proportional to 383,454.10, 574,525.05 and 243,048.70 is: 364,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,454.10 : 574,525.05 = 243,048.70 : x
  2. Step 2: Convert to fraction form
    383,454.10/574,525.05 = 243,048.70/x
  3. Step 3: Cross multiply
    383,454.10x = 574,525.05 × 243,048.70
  4. Step 4: Simplify right side
    383,454.10x = 139,637,566,519.94
  5. Step 5: Solve for x
    x = 139,637,566,519.94/383,454.10
  6. Step 6: Final answer
    x = 364,157.19

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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.