Home / 806,953.23-1,113,221.61-520,565.58

Finding the Fourth Proportional to 806,953.23, 1,113,221.61 and 520,565.58

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Solution

The fourth proportional to 806,953.23, 1,113,221.61 and 520,565.58 is: 718,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,953.23 : 1,113,221.61 = 520,565.58 : x
  2. Step 2: Convert to fraction form
    806,953.23/1,113,221.61 = 520,565.58/x
  3. Step 3: Cross multiply
    806,953.23x = 1,113,221.61 × 520,565.58
  4. Step 4: Simplify right side
    806,953.23x = 579,504,853,078.18
  5. Step 5: Solve for x
    x = 579,504,853,078.18/806,953.23
  6. Step 6: Final answer
    x = 718,139.33

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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.