Home / 353,929.02-488,528.76-240,817.38

Finding the Fourth Proportional to 353,929.02, 488,528.76 and 240,817.38

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Solution

The fourth proportional to 353,929.02, 488,528.76 and 240,817.38 is: 332,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,929.02 : 488,528.76 = 240,817.38 : x
  2. Step 2: Convert to fraction form
    353,929.02/488,528.76 = 240,817.38/x
  3. Step 3: Cross multiply
    353,929.02x = 488,528.76 × 240,817.38
  4. Step 4: Simplify right side
    353,929.02x = 117,646,216,037.85
  5. Step 5: Solve for x
    x = 117,646,216,037.85/353,929.02
  6. Step 6: Final answer
    x = 332,400.59

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1.5x scale

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.