Home / 699,577.28-1,043,909.88-624,179.24

Finding the Fourth Proportional to 699,577.28, 1,043,909.88 and 624,179.24

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Solution

The fourth proportional to 699,577.28, 1,043,909.88 and 624,179.24 is: 931,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,577.28 : 1,043,909.88 = 624,179.24 : x
  2. Step 2: Convert to fraction form
    699,577.28/1,043,909.88 = 624,179.24/x
  3. Step 3: Cross multiply
    699,577.28x = 1,043,909.88 × 624,179.24
  4. Step 4: Simplify right side
    699,577.28x = 651,586,875,526.89
  5. Step 5: Solve for x
    x = 651,586,875,526.89/699,577.28
  6. Step 6: Final answer
    x = 931,400.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.