Home / 1,581,267.72-2,182,146.32-856,115.24

Finding the Fourth Proportional to 1,581,267.72, 2,182,146.32 and 856,115.24

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Solution

The fourth proportional to 1,581,267.72, 2,182,146.32 and 856,115.24 is: 1,181,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,267.72 : 2,182,146.32 = 856,115.24 : x
  2. Step 2: Convert to fraction form
    1,581,267.72/2,182,146.32 = 856,115.24/x
  3. Step 3: Cross multiply
    1,581,267.72x = 2,182,146.32 × 856,115.24
  4. Step 4: Simplify right side
    1,581,267.72x = 1,868,168,720,461.92
  5. Step 5: Solve for x
    x = 1,868,168,720,461.92/1,581,267.72
  6. Step 6: Final answer
    x = 1,181,437.33

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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.