Home / 991,796.56-1,368,583.56-556,231.56

Finding the Fourth Proportional to 991,796.56, 1,368,583.56 and 556,231.56

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Solution

The fourth proportional to 991,796.56, 1,368,583.56 and 556,231.56 is: 767,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,796.56 : 1,368,583.56 = 556,231.56 : x
  2. Step 2: Convert to fraction form
    991,796.56/1,368,583.56 = 556,231.56/x
  3. Step 3: Cross multiply
    991,796.56x = 1,368,583.56 × 556,231.56
  4. Step 4: Simplify right side
    991,796.56x = 761,249,368,569.15
  5. Step 5: Solve for x
    x = 761,249,368,569.15/991,796.56
  6. Step 6: Final answer
    x = 767,545.89

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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.