Home / 591,556.21-816,347.55-319,624.18

Finding the Fourth Proportional to 591,556.21, 816,347.55 and 319,624.18

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Solution

The fourth proportional to 591,556.21, 816,347.55 and 319,624.18 is: 441,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,556.21 : 816,347.55 = 319,624.18 : x
  2. Step 2: Convert to fraction form
    591,556.21/816,347.55 = 319,624.18/x
  3. Step 3: Cross multiply
    591,556.21x = 816,347.55 × 319,624.18
  4. Step 4: Simplify right side
    591,556.21x = 260,924,416,263.76
  5. Step 5: Solve for x
    x = 260,924,416,263.76/591,556.21
  6. Step 6: Final answer
    x = 441,081.36

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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.