Home / 354,047.12-488,031.72-240,673.04

Finding the Fourth Proportional to 354,047.12, 488,031.72 and 240,673.04

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Solution

The fourth proportional to 354,047.12, 488,031.72 and 240,673.04 is: 331,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,047.12 : 488,031.72 = 240,673.04 : x
  2. Step 2: Convert to fraction form
    354,047.12/488,031.72 = 240,673.04/x
  3. Step 3: Cross multiply
    354,047.12x = 488,031.72 × 240,673.04
  4. Step 4: Simplify right side
    354,047.12x = 117,456,077,668.83
  5. Step 5: Solve for x
    x = 117,456,077,668.83/354,047.12
  6. Step 6: Final answer
    x = 331,752.67

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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.