Home / 692,218.68-955,081.26-405,584.76

Finding the Fourth Proportional to 692,218.68, 955,081.26 and 405,584.76

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Solution

The fourth proportional to 692,218.68, 955,081.26 and 405,584.76 is: 559,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,218.68 : 955,081.26 = 405,584.76 : x
  2. Step 2: Convert to fraction form
    692,218.68/955,081.26 = 405,584.76/x
  3. Step 3: Cross multiply
    692,218.68x = 955,081.26 × 405,584.76
  4. Step 4: Simplify right side
    692,218.68x = 387,366,403,617.60
  5. Step 5: Solve for x
    x = 387,366,403,617.60/692,218.68
  6. Step 6: Final answer
    x = 559,601.20

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Double scale
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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.