Home / 847,716.48-1,169,789.76-465,759.36

Finding the Fourth Proportional to 847,716.48, 1,169,789.76 and 465,759.36

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Solution

The fourth proportional to 847,716.48, 1,169,789.76 and 465,759.36 is: 642,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,716.48 : 1,169,789.76 = 465,759.36 : x
  2. Step 2: Convert to fraction form
    847,716.48/1,169,789.76 = 465,759.36/x
  3. Step 3: Cross multiply
    847,716.48x = 1,169,789.76 × 465,759.36
  4. Step 4: Simplify right side
    847,716.48x = 544,840,529,952.15
  5. Step 5: Solve for x
    x = 544,840,529,952.15/847,716.48
  6. Step 6: Final answer
    x = 642,715.51

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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.