Home / 960,338.45-1,440,580.58-286,367.02

Finding the Fourth Proportional to 960,338.45, 1,440,580.58 and 286,367.02

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Solution

The fourth proportional to 960,338.45, 1,440,580.58 and 286,367.02 is: 429,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,338.45 : 1,440,580.58 = 286,367.02 : x
  2. Step 2: Convert to fraction form
    960,338.45/1,440,580.58 = 286,367.02/x
  3. Step 3: Cross multiply
    960,338.45x = 1,440,580.58 × 286,367.02
  4. Step 4: Simplify right side
    960,338.45x = 412,534,767,764.47
  5. Step 5: Solve for x
    x = 412,534,767,764.47/960,338.45
  6. Step 6: Final answer
    x = 429,572.27

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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.