Home / 960,513.39-1,440,717.84-487,186.38

Finding the Fourth Proportional to 960,513.39, 1,440,717.84 and 487,186.38

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Solution

The fourth proportional to 960,513.39, 1,440,717.84 and 487,186.38 is: 730,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,513.39 : 1,440,717.84 = 487,186.38 : x
  2. Step 2: Convert to fraction form
    960,513.39/1,440,717.84 = 487,186.38/x
  3. Step 3: Cross multiply
    960,513.39x = 1,440,717.84 × 487,186.38
  4. Step 4: Simplify right side
    960,513.39x = 701,898,109,071.02
  5. Step 5: Solve for x
    x = 701,898,109,071.02/960,513.39
  6. Step 6: Final answer
    x = 730,753.07

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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.