Home / 1,002,114.99-1,382,920.54-543,228.15

Finding the Fourth Proportional to 1,002,114.99, 1,382,920.54 and 543,228.15

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Solution

The fourth proportional to 1,002,114.99, 1,382,920.54 and 543,228.15 is: 749,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,114.99 : 1,382,920.54 = 543,228.15 : x
  2. Step 2: Convert to fraction form
    1,002,114.99/1,382,920.54 = 543,228.15/x
  3. Step 3: Cross multiply
    1,002,114.99x = 1,382,920.54 × 543,228.15
  4. Step 4: Simplify right side
    1,002,114.99x = 751,241,359,997.18
  5. Step 5: Solve for x
    x = 751,241,359,997.18/1,002,114.99
  6. Step 6: Final answer
    x = 749,655.84

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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.