Home / 672,116.10-1,008,260.55-335,328.90

Finding the Fourth Proportional to 672,116.10, 1,008,260.55 and 335,328.90

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Solution

The fourth proportional to 672,116.10, 1,008,260.55 and 335,328.90 is: 503,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,116.10 : 1,008,260.55 = 335,328.90 : x
  2. Step 2: Convert to fraction form
    672,116.10/1,008,260.55 = 335,328.90/x
  3. Step 3: Cross multiply
    672,116.10x = 1,008,260.55 × 335,328.90
  4. Step 4: Simplify right side
    672,116.10x = 338,098,901,144.90
  5. Step 5: Solve for x
    x = 338,098,901,144.90/672,116.10
  6. Step 6: Final answer
    x = 503,036.46

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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.