Home / 853,456.30-1,280,814.36-404,176.30

Finding the Fourth Proportional to 853,456.30, 1,280,814.36 and 404,176.30

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Solution

The fourth proportional to 853,456.30, 1,280,814.36 and 404,176.30 is: 606,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,456.30 : 1,280,814.36 = 404,176.30 : x
  2. Step 2: Convert to fraction form
    853,456.30/1,280,814.36 = 404,176.30/x
  3. Step 3: Cross multiply
    853,456.30x = 1,280,814.36 × 404,176.30
  4. Step 4: Simplify right side
    853,456.30x = 517,674,809,011.67
  5. Step 5: Solve for x
    x = 517,674,809,011.67/853,456.30
  6. Step 6: Final answer
    x = 606,562.76

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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.