Home / 465,733.63-642,730.65-261,783.93

Finding the Fourth Proportional to 465,733.63, 642,730.65 and 261,783.93

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Solution

The fourth proportional to 465,733.63, 642,730.65 and 261,783.93 is: 361,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,733.63 : 642,730.65 = 261,783.93 : x
  2. Step 2: Convert to fraction form
    465,733.63/642,730.65 = 261,783.93/x
  3. Step 3: Cross multiply
    465,733.63x = 642,730.65 × 261,783.93
  4. Step 4: Simplify right side
    465,733.63x = 168,256,556,917.01
  5. Step 5: Solve for x
    x = 168,256,556,917.01/465,733.63
  6. Step 6: Final answer
    x = 361,272.08

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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.