Home / 1,365,940.67-1,885,244.88-814,691.76

Finding the Fourth Proportional to 1,365,940.67, 1,885,244.88 and 814,691.76

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Solution

The fourth proportional to 1,365,940.67, 1,885,244.88 and 814,691.76 is: 1,124,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,940.67 : 1,885,244.88 = 814,691.76 : x
  2. Step 2: Convert to fraction form
    1,365,940.67/1,885,244.88 = 814,691.76/x
  3. Step 3: Cross multiply
    1,365,940.67x = 1,885,244.88 × 814,691.76
  4. Step 4: Simplify right side
    1,365,940.67x = 1,535,893,455,818.51
  5. Step 5: Solve for x
    x = 1,535,893,455,818.51/1,365,940.67
  6. Step 6: Final answer
    x = 1,124,421.80

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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.