Home / 928,638.64-1,281,795.06-606,399.04

Finding the Fourth Proportional to 928,638.64, 1,281,795.06 and 606,399.04

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Solution

The fourth proportional to 928,638.64, 1,281,795.06 and 606,399.04 is: 837,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,638.64 : 1,281,795.06 = 606,399.04 : x
  2. Step 2: Convert to fraction form
    928,638.64/1,281,795.06 = 606,399.04/x
  3. Step 3: Cross multiply
    928,638.64x = 1,281,795.06 × 606,399.04
  4. Step 4: Simplify right side
    928,638.64x = 777,279,293,860.74
  5. Step 5: Solve for x
    x = 777,279,293,860.74/928,638.64
  6. Step 6: Final answer
    x = 837,009.42

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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.