Home / 960,679.60-1,325,747.68-525,109.38

Finding the Fourth Proportional to 960,679.60, 1,325,747.68 and 525,109.38

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Solution

The fourth proportional to 960,679.60, 1,325,747.68 and 525,109.38 is: 724,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,679.60 : 1,325,747.68 = 525,109.38 : x
  2. Step 2: Convert to fraction form
    960,679.60/1,325,747.68 = 525,109.38/x
  3. Step 3: Cross multiply
    960,679.60x = 1,325,747.68 × 525,109.38
  4. Step 4: Simplify right side
    960,679.60x = 696,162,542,281.24
  5. Step 5: Solve for x
    x = 696,162,542,281.24/960,679.60
  6. Step 6: Final answer
    x = 724,656.32

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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.