Home / 587,569.49-811,093.95-396,841.22

Finding the Fourth Proportional to 587,569.49, 811,093.95 and 396,841.22

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Solution

The fourth proportional to 587,569.49, 811,093.95 and 396,841.22 is: 547,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,569.49 : 811,093.95 = 396,841.22 : x
  2. Step 2: Convert to fraction form
    587,569.49/811,093.95 = 396,841.22/x
  3. Step 3: Cross multiply
    587,569.49x = 811,093.95 × 396,841.22
  4. Step 4: Simplify right side
    587,569.49x = 321,875,508,597.15
  5. Step 5: Solve for x
    x = 321,875,508,597.15/587,569.49
  6. Step 6: Final answer
    x = 547,808.42

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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.