Home / 598,973.76-826,721.64-395,061.12

Finding the Fourth Proportional to 598,973.76, 826,721.64 and 395,061.12

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Solution

The fourth proportional to 598,973.76, 826,721.64 and 395,061.12 is: 545,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,973.76 : 826,721.64 = 395,061.12 : x
  2. Step 2: Convert to fraction form
    598,973.76/826,721.64 = 395,061.12/x
  3. Step 3: Cross multiply
    598,973.76x = 826,721.64 × 395,061.12
  4. Step 4: Simplify right side
    598,973.76x = 326,605,577,026.64
  5. Step 5: Solve for x
    x = 326,605,577,026.64/598,973.76
  6. Step 6: Final answer
    x = 545,275.27

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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.