Home / 1,531,779.56-2,113,773-843,317.36

Finding the Fourth Proportional to 1,531,779.56, 2,113,773 and 843,317.36

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Solution

The fourth proportional to 1,531,779.56, 2,113,773 and 843,317.36 is: 1,163,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,779.56 : 2,113,773 = 843,317.36 : x
  2. Step 2: Convert to fraction form
    1,531,779.56/2,113,773 = 843,317.36/x
  3. Step 3: Cross multiply
    1,531,779.56x = 2,113,773 × 843,317.36
  4. Step 4: Simplify right side
    1,531,779.56x = 1,782,581,465,999.28
  5. Step 5: Solve for x
    x = 1,782,581,465,999.28/1,531,779.56
  6. Step 6: Final answer
    x = 1,163,732.38

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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.