Home / 571,587.35-788,855.49-329,934.78

Finding the Fourth Proportional to 571,587.35, 788,855.49 and 329,934.78

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Solution

The fourth proportional to 571,587.35, 788,855.49 and 329,934.78 is: 455,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,587.35 : 788,855.49 = 329,934.78 : x
  2. Step 2: Convert to fraction form
    571,587.35/788,855.49 = 329,934.78/x
  3. Step 3: Cross multiply
    571,587.35x = 788,855.49 × 329,934.78
  4. Step 4: Simplify right side
    571,587.35x = 260,270,862,544.94
  5. Step 5: Solve for x
    x = 260,270,862,544.94/571,587.35
  6. Step 6: Final answer
    x = 455,347.49

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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.