Home / 808,890.39-1,116,673.18-503,065.26

Finding the Fourth Proportional to 808,890.39, 1,116,673.18 and 503,065.26

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Solution

The fourth proportional to 808,890.39, 1,116,673.18 and 503,065.26 is: 694,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,890.39 : 1,116,673.18 = 503,065.26 : x
  2. Step 2: Convert to fraction form
    808,890.39/1,116,673.18 = 503,065.26/x
  3. Step 3: Cross multiply
    808,890.39x = 1,116,673.18 × 503,065.26
  4. Step 4: Simplify right side
    808,890.39x = 561,759,482,374.06
  5. Step 5: Solve for x
    x = 561,759,482,374.06/808,890.39
  6. Step 6: Final answer
    x = 694,481.59

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Double scale
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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.