Home / 766,524.94-1,057,795.88-435,378.51

Finding the Fourth Proportional to 766,524.94, 1,057,795.88 and 435,378.51

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Solution

The fourth proportional to 766,524.94, 1,057,795.88 and 435,378.51 is: 600,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,524.94 : 1,057,795.88 = 435,378.51 : x
  2. Step 2: Convert to fraction form
    766,524.94/1,057,795.88 = 435,378.51/x
  3. Step 3: Cross multiply
    766,524.94x = 1,057,795.88 × 435,378.51
  4. Step 4: Simplify right side
    766,524.94x = 460,541,591,941.65
  5. Step 5: Solve for x
    x = 460,541,591,941.65/766,524.94
  6. Step 6: Final answer
    x = 600,817.49

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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.