Home / 1,511,695.16-2,086,139.31-832,631.66

Finding the Fourth Proportional to 1,511,695.16, 2,086,139.31 and 832,631.66

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Solution

The fourth proportional to 1,511,695.16, 2,086,139.31 and 832,631.66 is: 1,149,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,695.16 : 2,086,139.31 = 832,631.66 : x
  2. Step 2: Convert to fraction form
    1,511,695.16/2,086,139.31 = 832,631.66/x
  3. Step 3: Cross multiply
    1,511,695.16x = 2,086,139.31 × 832,631.66
  4. Step 4: Simplify right side
    1,511,695.16x = 1,736,985,636,676.55
  5. Step 5: Solve for x
    x = 1,736,985,636,676.55/1,511,695.16
  6. Step 6: Final answer
    x = 1,149,031.68

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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.