Home / 583,638.06-805,404.12-325,522.82

Finding the Fourth Proportional to 583,638.06, 805,404.12 and 325,522.82

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Solution

The fourth proportional to 583,638.06, 805,404.12 and 325,522.82 is: 449,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,638.06 : 805,404.12 = 325,522.82 : x
  2. Step 2: Convert to fraction form
    583,638.06/805,404.12 = 325,522.82/x
  3. Step 3: Cross multiply
    583,638.06x = 805,404.12 × 325,522.82
  4. Step 4: Simplify right side
    583,638.06x = 262,177,420,382.02
  5. Step 5: Solve for x
    x = 262,177,420,382.02/583,638.06
  6. Step 6: Final answer
    x = 449,212.34

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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.