Home / 925,471.80-1,277,216.10-517,611.60

Finding the Fourth Proportional to 925,471.80, 1,277,216.10 and 517,611.60

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Solution

The fourth proportional to 925,471.80, 1,277,216.10 and 517,611.60 is: 714,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,471.80 : 1,277,216.10 = 517,611.60 : x
  2. Step 2: Convert to fraction form
    925,471.80/1,277,216.10 = 517,611.60/x
  3. Step 3: Cross multiply
    925,471.80x = 1,277,216.10 × 517,611.60
  4. Step 4: Simplify right side
    925,471.80x = 661,101,869,066.76
  5. Step 5: Solve for x
    x = 661,101,869,066.76/925,471.80
  6. Step 6: Final answer
    x = 714,340.37

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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.