Home / 960,460.32-1,440,638.54-487,133.38

Finding the Fourth Proportional to 960,460.32, 1,440,638.54 and 487,133.38

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Solution

The fourth proportional to 960,460.32, 1,440,638.54 and 487,133.38 is: 730,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,460.32 : 1,440,638.54 = 487,133.38 : x
  2. Step 2: Convert to fraction form
    960,460.32/1,440,638.54 = 487,133.38/x
  3. Step 3: Cross multiply
    960,460.32x = 1,440,638.54 × 487,133.38
  4. Step 4: Simplify right side
    960,460.32x = 701,783,121,348.47
  5. Step 5: Solve for x
    x = 701,783,121,348.47/960,460.32
  6. Step 6: Final answer
    x = 730,673.73

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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.