Home / 698,935.30-1,049,180.55-432,996.10

Finding the Fourth Proportional to 698,935.30, 1,049,180.55 and 432,996.10

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Solution

The fourth proportional to 698,935.30, 1,049,180.55 and 432,996.10 is: 649,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,935.30 : 1,049,180.55 = 432,996.10 : x
  2. Step 2: Convert to fraction form
    698,935.30/1,049,180.55 = 432,996.10/x
  3. Step 3: Cross multiply
    698,935.30x = 1,049,180.55 × 432,996.10
  4. Step 4: Simplify right side
    698,935.30x = 454,291,086,345.86
  5. Step 5: Solve for x
    x = 454,291,086,345.86/698,935.30
  6. Step 6: Final answer
    x = 649,975.88

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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.