Home / 882,954.51-1,218,710.19-520,619.73

Finding the Fourth Proportional to 882,954.51, 1,218,710.19 and 520,619.73

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Solution

The fourth proportional to 882,954.51, 1,218,710.19 and 520,619.73 is: 718,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,954.51 : 1,218,710.19 = 520,619.73 : x
  2. Step 2: Convert to fraction form
    882,954.51/1,218,710.19 = 520,619.73/x
  3. Step 3: Cross multiply
    882,954.51x = 1,218,710.19 × 520,619.73
  4. Step 4: Simplify right side
    882,954.51x = 634,484,570,066.05
  5. Step 5: Solve for x
    x = 634,484,570,066.05/882,954.51
  6. Step 6: Final answer
    x = 718,592.59

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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.