Home / 562,582.23-776,209.95-320,776.62

Finding the Fourth Proportional to 562,582.23, 776,209.95 and 320,776.62

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Solution

The fourth proportional to 562,582.23, 776,209.95 and 320,776.62 is: 442,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,582.23 : 776,209.95 = 320,776.62 : x
  2. Step 2: Convert to fraction form
    562,582.23/776,209.95 = 320,776.62/x
  3. Step 3: Cross multiply
    562,582.23x = 776,209.95 × 320,776.62
  4. Step 4: Simplify right side
    562,582.23x = 248,990,004,171.37
  5. Step 5: Solve for x
    x = 248,990,004,171.37/562,582.23
  6. Step 6: Final answer
    x = 442,584.20

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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.