Home / 882,933.82-1,218,681.65-520,599.05

Finding the Fourth Proportional to 882,933.82, 1,218,681.65 and 520,599.05

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Solution

The fourth proportional to 882,933.82, 1,218,681.65 and 520,599.05 is: 718,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,933.82 : 1,218,681.65 = 520,599.05 : x
  2. Step 2: Convert to fraction form
    882,933.82/1,218,681.65 = 520,599.05/x
  3. Step 3: Cross multiply
    882,933.82x = 1,218,681.65 × 520,599.05
  4. Step 4: Simplify right side
    882,933.82x = 634,444,509,020.58
  5. Step 5: Solve for x
    x = 634,444,509,020.58/882,933.82
  6. Step 6: Final answer
    x = 718,564.06

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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.