Home / 638,550.14-881,326.85-366,804.45

Finding the Fourth Proportional to 638,550.14, 881,326.85 and 366,804.45

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Solution

The fourth proportional to 638,550.14, 881,326.85 and 366,804.45 is: 506,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,550.14 : 881,326.85 = 366,804.45 : x
  2. Step 2: Convert to fraction form
    638,550.14/881,326.85 = 366,804.45/x
  3. Step 3: Cross multiply
    638,550.14x = 881,326.85 × 366,804.45
  4. Step 4: Simplify right side
    638,550.14x = 323,274,608,650.46
  5. Step 5: Solve for x
    x = 323,274,608,650.46/638,550.14
  6. Step 6: Final answer
    x = 506,263.47

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Similar ratio
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1.5x scale

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.