Home / 1,157,120.40-1,735,942.32-624,630

Finding the Fourth Proportional to 1,157,120.40, 1,735,942.32 and 624,630

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Solution

The fourth proportional to 1,157,120.40, 1,735,942.32 and 624,630 is: 937,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,120.40 : 1,735,942.32 = 624,630 : x
  2. Step 2: Convert to fraction form
    1,157,120.40/1,735,942.32 = 624,630/x
  3. Step 3: Cross multiply
    1,157,120.40x = 1,735,942.32 × 624,630
  4. Step 4: Simplify right side
    1,157,120.40x = 1,084,321,651,341.60
  5. Step 5: Solve for x
    x = 1,084,321,651,341.60/1,157,120.40
  6. Step 6: Final answer
    x = 937,086.28

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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.