Home / 1,581,827.73-2,182,909.98-856,658.63

Finding the Fourth Proportional to 1,581,827.73, 2,182,909.98 and 856,658.63

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Solution

The fourth proportional to 1,581,827.73, 2,182,909.98 and 856,658.63 is: 1,182,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,827.73 : 2,182,909.98 = 856,658.63 : x
  2. Step 2: Convert to fraction form
    1,581,827.73/2,182,909.98 = 856,658.63/x
  3. Step 3: Cross multiply
    1,581,827.73x = 2,182,909.98 × 856,658.63
  4. Step 4: Simplify right side
    1,581,827.73x = 1,870,008,661,965.58
  5. Step 5: Solve for x
    x = 1,870,008,661,965.58/1,581,827.73
  6. Step 6: Final answer
    x = 1,182,182.25

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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.