Home / 516,897.37-775,346.23-213,287.10

Finding the Fourth Proportional to 516,897.37, 775,346.23 and 213,287.10

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Solution

The fourth proportional to 516,897.37, 775,346.23 and 213,287.10 is: 319,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,897.37 : 775,346.23 = 213,287.10 : x
  2. Step 2: Convert to fraction form
    516,897.37/775,346.23 = 213,287.10/x
  3. Step 3: Cross multiply
    516,897.37x = 775,346.23 × 213,287.10
  4. Step 4: Simplify right side
    516,897.37x = 165,371,348,892.63
  5. Step 5: Solve for x
    x = 165,371,348,892.63/516,897.37
  6. Step 6: Final answer
    x = 319,930.72

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Similar ratio
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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.