Home / 1,396,160.64-2,094,240.72-398,888.64

Finding the Fourth Proportional to 1,396,160.64, 2,094,240.72 and 398,888.64

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Solution

The fourth proportional to 1,396,160.64, 2,094,240.72 and 398,888.64 is: 598,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,160.64 : 2,094,240.72 = 398,888.64 : x
  2. Step 2: Convert to fraction form
    1,396,160.64/2,094,240.72 = 398,888.64/x
  3. Step 3: Cross multiply
    1,396,160.64x = 2,094,240.72 × 398,888.64
  4. Step 4: Simplify right side
    1,396,160.64x = 835,368,832,633.42
  5. Step 5: Solve for x
    x = 835,368,832,633.42/1,396,160.64
  6. Step 6: Final answer
    x = 598,332.89

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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.