Home / 1,009,313.16-1,392,834.62-550,431.30

Finding the Fourth Proportional to 1,009,313.16, 1,392,834.62 and 550,431.30

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Solution

The fourth proportional to 1,009,313.16, 1,392,834.62 and 550,431.30 is: 759,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,313.16 : 1,392,834.62 = 550,431.30 : x
  2. Step 2: Convert to fraction form
    1,009,313.16/1,392,834.62 = 550,431.30/x
  3. Step 3: Cross multiply
    1,009,313.16x = 1,392,834.62 × 550,431.30
  4. Step 4: Simplify right side
    1,009,313.16x = 766,659,770,571.61
  5. Step 5: Solve for x
    x = 766,659,770,571.61/1,009,313.16
  6. Step 6: Final answer
    x = 759,585.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.