Home / 816,933.60-1,127,282.40-454,298.76

Finding the Fourth Proportional to 816,933.60, 1,127,282.40 and 454,298.76

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Solution

The fourth proportional to 816,933.60, 1,127,282.40 and 454,298.76 is: 626,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,933.60 : 1,127,282.40 = 454,298.76 : x
  2. Step 2: Convert to fraction form
    816,933.60/1,127,282.40 = 454,298.76/x
  3. Step 3: Cross multiply
    816,933.60x = 1,127,282.40 × 454,298.76
  4. Step 4: Simplify right side
    816,933.60x = 512,122,996,489.82
  5. Step 5: Solve for x
    x = 512,122,996,489.82/816,933.60
  6. Step 6: Final answer
    x = 626,884.48

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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.