Home / 1,393,167.40-1,922,781.16-849,618.50

Finding the Fourth Proportional to 1,393,167.40, 1,922,781.16 and 849,618.50

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Solution

The fourth proportional to 1,393,167.40, 1,922,781.16 and 849,618.50 is: 1,172,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,167.40 : 1,922,781.16 = 849,618.50 : x
  2. Step 2: Convert to fraction form
    1,393,167.40/1,922,781.16 = 849,618.50/x
  3. Step 3: Cross multiply
    1,393,167.40x = 1,922,781.16 × 849,618.50
  4. Step 4: Simplify right side
    1,393,167.40x = 1,633,630,444,987.46
  5. Step 5: Solve for x
    x = 1,633,630,444,987.46/1,393,167.40
  6. Step 6: Final answer
    x = 1,172,601.69

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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.