Home / 454,315.40-681,473.10-348,027.20

Finding the Fourth Proportional to 454,315.40, 681,473.10 and 348,027.20

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Solution

The fourth proportional to 454,315.40, 681,473.10 and 348,027.20 is: 522,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,315.40 : 681,473.10 = 348,027.20 : x
  2. Step 2: Convert to fraction form
    454,315.40/681,473.10 = 348,027.20/x
  3. Step 3: Cross multiply
    454,315.40x = 681,473.10 × 348,027.20
  4. Step 4: Simplify right side
    454,315.40x = 237,171,174,868.32
  5. Step 5: Solve for x
    x = 237,171,174,868.32/454,315.40
  6. Step 6: Final answer
    x = 522,040.80

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Similar ratio
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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.