Home / 602,811.35-832,570.07-396,999.76

Finding the Fourth Proportional to 602,811.35, 832,570.07 and 396,999.76

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Solution

The fourth proportional to 602,811.35, 832,570.07 and 396,999.76 is: 548,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,811.35 : 832,570.07 = 396,999.76 : x
  2. Step 2: Convert to fraction form
    602,811.35/832,570.07 = 396,999.76/x
  3. Step 3: Cross multiply
    602,811.35x = 832,570.07 × 396,999.76
  4. Step 4: Simplify right side
    602,811.35x = 330,530,118,965.68
  5. Step 5: Solve for x
    x = 330,530,118,965.68/602,811.35
  6. Step 6: Final answer
    x = 548,314.36

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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.