Home / 598,638.81-826,124.04-326,712.45

Finding the Fourth Proportional to 598,638.81, 826,124.04 and 326,712.45

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Solution

The fourth proportional to 598,638.81, 826,124.04 and 326,712.45 is: 450,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,638.81 : 826,124.04 = 326,712.45 : x
  2. Step 2: Convert to fraction form
    598,638.81/826,124.04 = 326,712.45/x
  3. Step 3: Cross multiply
    598,638.81x = 826,124.04 × 326,712.45
  4. Step 4: Simplify right side
    598,638.81x = 269,905,009,112.30
  5. Step 5: Solve for x
    x = 269,905,009,112.30/598,638.81
  6. Step 6: Final answer
    x = 450,864.54

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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.