Home / 598,918.47-826,503.27-326,986.35

Finding the Fourth Proportional to 598,918.47, 826,503.27 and 326,986.35

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Solution

The fourth proportional to 598,918.47, 826,503.27 and 326,986.35 is: 451,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,918.47 : 826,503.27 = 326,986.35 : x
  2. Step 2: Convert to fraction form
    598,918.47/826,503.27 = 326,986.35/x
  3. Step 3: Cross multiply
    598,918.47x = 826,503.27 × 326,986.35
  4. Step 4: Simplify right side
    598,918.47x = 270,255,288,763.51
  5. Step 5: Solve for x
    x = 270,255,288,763.51/598,918.47
  6. Step 6: Final answer
    x = 451,238.86

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1.5x scale

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.