Home / 476,405.24-657,471.14-314,982.76

Finding the Fourth Proportional to 476,405.24, 657,471.14 and 314,982.76

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Solution

The fourth proportional to 476,405.24, 657,471.14 and 314,982.76 is: 434,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,405.24 : 657,471.14 = 314,982.76 : x
  2. Step 2: Convert to fraction form
    476,405.24/657,471.14 = 314,982.76/x
  3. Step 3: Cross multiply
    476,405.24x = 657,471.14 × 314,982.76
  4. Step 4: Simplify right side
    476,405.24x = 207,092,074,297.55
  5. Step 5: Solve for x
    x = 207,092,074,297.55/476,405.24
  6. Step 6: Final answer
    x = 434,697.31

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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.