Home / 960,723.42-1,325,775.21-525,121.20

Finding the Fourth Proportional to 960,723.42, 1,325,775.21 and 525,121.20

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Solution

The fourth proportional to 960,723.42, 1,325,775.21 and 525,121.20 is: 724,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,723.42 : 1,325,775.21 = 525,121.20 : x
  2. Step 2: Convert to fraction form
    960,723.42/1,325,775.21 = 525,121.20/x
  3. Step 3: Cross multiply
    960,723.42x = 1,325,775.21 × 525,121.20
  4. Step 4: Simplify right side
    960,723.42x = 696,192,669,205.45
  5. Step 5: Solve for x
    x = 696,192,669,205.45/960,723.42
  6. Step 6: Final answer
    x = 724,654.62

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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.