Home / 698,934.30-1,049,179.05-432,995.10

Finding the Fourth Proportional to 698,934.30, 1,049,179.05 and 432,995.10

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Solution

The fourth proportional to 698,934.30, 1,049,179.05 and 432,995.10 is: 649,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,934.30 : 1,049,179.05 = 432,995.10 : x
  2. Step 2: Convert to fraction form
    698,934.30/1,049,179.05 = 432,995.10/x
  3. Step 3: Cross multiply
    698,934.30x = 1,049,179.05 × 432,995.10
  4. Step 4: Simplify right side
    698,934.30x = 454,289,387,672.66
  5. Step 5: Solve for x
    x = 454,289,387,672.66/698,934.30
  6. Step 6: Final answer
    x = 649,974.38

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Double scale
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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.