Home / 907,542.80-1,361,314.20-624,107.60

Finding the Fourth Proportional to 907,542.80, 1,361,314.20 and 624,107.60

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Solution

The fourth proportional to 907,542.80, 1,361,314.20 and 624,107.60 is: 936,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,542.80 : 1,361,314.20 = 624,107.60 : x
  2. Step 2: Convert to fraction form
    907,542.80/1,361,314.20 = 624,107.60/x
  3. Step 3: Cross multiply
    907,542.80x = 1,361,314.20 × 624,107.60
  4. Step 4: Simplify right side
    907,542.80x = 849,606,538,207.92
  5. Step 5: Solve for x
    x = 849,606,538,207.92/907,542.80
  6. Step 6: Final answer
    x = 936,161.40

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Double scale
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Similar ratio
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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.