Home / 831,591.20-1,248,538.80-533,914.40

Finding the Fourth Proportional to 831,591.20, 1,248,538.80 and 533,914.40

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Solution

The fourth proportional to 831,591.20, 1,248,538.80 and 533,914.40 is: 801,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,591.20 : 1,248,538.80 = 533,914.40 : x
  2. Step 2: Convert to fraction form
    831,591.20/1,248,538.80 = 533,914.40/x
  3. Step 3: Cross multiply
    831,591.20x = 1,248,538.80 × 533,914.40
  4. Step 4: Simplify right side
    831,591.20x = 666,612,844,278.72
  5. Step 5: Solve for x
    x = 666,612,844,278.72/831,591.20
  6. Step 6: Final answer
    x = 801,611.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.