Home / 864,705.35-1,193,611.82-520,557.28

Finding the Fourth Proportional to 864,705.35, 1,193,611.82 and 520,557.28

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Solution

The fourth proportional to 864,705.35, 1,193,611.82 and 520,557.28 is: 718,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,705.35 : 1,193,611.82 = 520,557.28 : x
  2. Step 2: Convert to fraction form
    864,705.35/1,193,611.82 = 520,557.28/x
  3. Step 3: Cross multiply
    864,705.35x = 1,193,611.82 × 520,557.28
  4. Step 4: Simplify right side
    864,705.35x = 621,343,327,914.50
  5. Step 5: Solve for x
    x = 621,343,327,914.50/864,705.35
  6. Step 6: Final answer
    x = 718,560.75

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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.