Home / 881,656.58-1,215,559.73-571,010.31

Finding the Fourth Proportional to 881,656.58, 1,215,559.73 and 571,010.31

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Solution

The fourth proportional to 881,656.58, 1,215,559.73 and 571,010.31 is: 787,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,656.58 : 1,215,559.73 = 571,010.31 : x
  2. Step 2: Convert to fraction form
    881,656.58/1,215,559.73 = 571,010.31/x
  3. Step 3: Cross multiply
    881,656.58x = 1,215,559.73 × 571,010.31
  4. Step 4: Simplify right side
    881,656.58x = 694,097,139,678.34
  5. Step 5: Solve for x
    x = 694,097,139,678.34/881,656.58
  6. Step 6: Final answer
    x = 787,264.74

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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.