Home / 847,628.47-1,169,743.85-465,669.73

Finding the Fourth Proportional to 847,628.47, 1,169,743.85 and 465,669.73

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Solution

The fourth proportional to 847,628.47, 1,169,743.85 and 465,669.73 is: 642,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,628.47 : 1,169,743.85 = 465,669.73 : x
  2. Step 2: Convert to fraction form
    847,628.47/1,169,743.85 = 465,669.73/x
  3. Step 3: Cross multiply
    847,628.47x = 1,169,743.85 × 465,669.73
  4. Step 4: Simplify right side
    847,628.47x = 544,714,302,798.66
  5. Step 5: Solve for x
    x = 544,714,302,798.66/847,628.47
  6. Step 6: Final answer
    x = 642,633.33

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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.