Home / 467,532.81-645,043.37-286,055.55

Finding the Fourth Proportional to 467,532.81, 645,043.37 and 286,055.55

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Solution

The fourth proportional to 467,532.81, 645,043.37 and 286,055.55 is: 394,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,532.81 : 645,043.37 = 286,055.55 : x
  2. Step 2: Convert to fraction form
    467,532.81/645,043.37 = 286,055.55/x
  3. Step 3: Cross multiply
    467,532.81x = 645,043.37 × 286,055.55
  4. Step 4: Simplify right side
    467,532.81x = 184,518,234,548.93
  5. Step 5: Solve for x
    x = 184,518,234,548.93/467,532.81
  6. Step 6: Final answer
    x = 394,663.71

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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.