Home / 936,955.80-1,405,105.65-487,527.30

Finding the Fourth Proportional to 936,955.80, 1,405,105.65 and 487,527.30

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Solution

The fourth proportional to 936,955.80, 1,405,105.65 and 487,527.30 is: 731,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,955.80 : 1,405,105.65 = 487,527.30 : x
  2. Step 2: Convert to fraction form
    936,955.80/1,405,105.65 = 487,527.30/x
  3. Step 3: Cross multiply
    936,955.80x = 1,405,105.65 × 487,527.30
  4. Step 4: Simplify right side
    936,955.80x = 685,027,363,759.25
  5. Step 5: Solve for x
    x = 685,027,363,759.25/936,955.80
  6. Step 6: Final answer
    x = 731,120.26

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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.