Home / 1,121,434.17-1,682,069.91-438,192.59

Finding the Fourth Proportional to 1,121,434.17, 1,682,069.91 and 438,192.59

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Solution

The fourth proportional to 1,121,434.17, 1,682,069.91 and 438,192.59 is: 657,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,434.17 : 1,682,069.91 = 438,192.59 : x
  2. Step 2: Convert to fraction form
    1,121,434.17/1,682,069.91 = 438,192.59/x
  3. Step 3: Cross multiply
    1,121,434.17x = 1,682,069.91 × 438,192.59
  4. Step 4: Simplify right side
    1,121,434.17x = 737,070,570,423.97
  5. Step 5: Solve for x
    x = 737,070,570,423.97/1,121,434.17
  6. Step 6: Final answer
    x = 657,257.10

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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.