Home / 696,266.58-961,162.73-438,522.32

Finding the Fourth Proportional to 696,266.58, 961,162.73 and 438,522.32

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Solution

The fourth proportional to 696,266.58, 961,162.73 and 438,522.32 is: 605,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,266.58 : 961,162.73 = 438,522.32 : x
  2. Step 2: Convert to fraction form
    696,266.58/961,162.73 = 438,522.32/x
  3. Step 3: Cross multiply
    696,266.58x = 961,162.73 × 438,522.32
  4. Step 4: Simplify right side
    696,266.58x = 421,491,310,257.13
  5. Step 5: Solve for x
    x = 421,491,310,257.13/696,266.58
  6. Step 6: Final answer
    x = 605,359.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.