Home / 548,514.10-824,153.55-348,930.10

Finding the Fourth Proportional to 548,514.10, 824,153.55 and 348,930.10

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Solution

The fourth proportional to 548,514.10, 824,153.55 and 348,930.10 is: 524,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,514.10 : 824,153.55 = 348,930.10 : x
  2. Step 2: Convert to fraction form
    548,514.10/824,153.55 = 348,930.10/x
  3. Step 3: Cross multiply
    548,514.10x = 824,153.55 × 348,930.10
  4. Step 4: Simplify right side
    548,514.10x = 287,571,980,616.86
  5. Step 5: Solve for x
    x = 287,571,980,616.86/548,514.10
  6. Step 6: Final answer
    x = 524,274.55

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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.