Home / 592,564.21-817,736.95-320,636.71

Finding the Fourth Proportional to 592,564.21, 817,736.95 and 320,636.71

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Solution

The fourth proportional to 592,564.21, 817,736.95 and 320,636.71 is: 442,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,564.21 : 817,736.95 = 320,636.71 : x
  2. Step 2: Convert to fraction form
    592,564.21/817,736.95 = 320,636.71/x
  3. Step 3: Cross multiply
    592,564.21x = 817,736.95 × 320,636.71
  4. Step 4: Simplify right side
    592,564.21x = 262,196,486,716.40
  5. Step 5: Solve for x
    x = 262,196,486,716.40/592,564.21
  6. Step 6: Final answer
    x = 442,477.77

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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.