Home / 907,642.80-1,361,464.20-624,207.60

Finding the Fourth Proportional to 907,642.80, 1,361,464.20 and 624,207.60

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Solution

The fourth proportional to 907,642.80, 1,361,464.20 and 624,207.60 is: 936,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,642.80 : 1,361,464.20 = 624,207.60 : x
  2. Step 2: Convert to fraction form
    907,642.80/1,361,464.20 = 624,207.60/x
  3. Step 3: Cross multiply
    907,642.80x = 1,361,464.20 × 624,207.60
  4. Step 4: Simplify right side
    907,642.80x = 849,836,300,767.92
  5. Step 5: Solve for x
    x = 849,836,300,767.92/907,642.80
  6. Step 6: Final answer
    x = 936,311.40

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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.