Home / 768,747.97-1,152,465.85-543,399.49

Finding the Fourth Proportional to 768,747.97, 1,152,465.85 and 543,399.49

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Solution

The fourth proportional to 768,747.97, 1,152,465.85 and 543,399.49 is: 814,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,747.97 : 1,152,465.85 = 543,399.49 : x
  2. Step 2: Convert to fraction form
    768,747.97/1,152,465.85 = 543,399.49/x
  3. Step 3: Cross multiply
    768,747.97x = 1,152,465.85 × 543,399.49
  4. Step 4: Simplify right side
    768,747.97x = 626,249,349,241.32
  5. Step 5: Solve for x
    x = 626,249,349,241.32/768,747.97
  6. Step 6: Final answer
    x = 814,635.46

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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.