Home / 834,403.14-1,251,653.10-322,071.21

Finding the Fourth Proportional to 834,403.14, 1,251,653.10 and 322,071.21

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Solution

The fourth proportional to 834,403.14, 1,251,653.10 and 322,071.21 is: 483,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,403.14 : 1,251,653.10 = 322,071.21 : x
  2. Step 2: Convert to fraction form
    834,403.14/1,251,653.10 = 322,071.21/x
  3. Step 3: Cross multiply
    834,403.14x = 1,251,653.10 × 322,071.21
  4. Step 4: Simplify right side
    834,403.14x = 403,121,428,417.25
  5. Step 5: Solve for x
    x = 403,121,428,417.25/834,403.14
  6. Step 6: Final answer
    x = 483,125.49

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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.