Home / 755,883.14-1,043,120.18-411,718.01

Finding the Fourth Proportional to 755,883.14, 1,043,120.18 and 411,718.01

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Solution

The fourth proportional to 755,883.14, 1,043,120.18 and 411,718.01 is: 568,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,883.14 : 1,043,120.18 = 411,718.01 : x
  2. Step 2: Convert to fraction form
    755,883.14/1,043,120.18 = 411,718.01/x
  3. Step 3: Cross multiply
    755,883.14x = 1,043,120.18 × 411,718.01
  4. Step 4: Simplify right side
    755,883.14x = 429,471,357,426.25
  5. Step 5: Solve for x
    x = 429,471,357,426.25/755,883.14
  6. Step 6: Final answer
    x = 568,171.64

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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.