Home / 383,771.40-575,657.10-243,112.20

Finding the Fourth Proportional to 383,771.40, 575,657.10 and 243,112.20

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Solution

The fourth proportional to 383,771.40, 575,657.10 and 243,112.20 is: 364,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,771.40 : 575,657.10 = 243,112.20 : x
  2. Step 2: Convert to fraction form
    383,771.40/575,657.10 = 243,112.20/x
  3. Step 3: Cross multiply
    383,771.40x = 575,657.10 × 243,112.20
  4. Step 4: Simplify right side
    383,771.40x = 139,949,264,026.62
  5. Step 5: Solve for x
    x = 139,949,264,026.62/383,771.40
  6. Step 6: Final answer
    x = 364,668.30

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1.5x scale

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.