Home / 694,037.31-957,774.05-403,718.53

Finding the Fourth Proportional to 694,037.31, 957,774.05 and 403,718.53

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Solution

The fourth proportional to 694,037.31, 957,774.05 and 403,718.53 is: 557,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,037.31 : 957,774.05 = 403,718.53 : x
  2. Step 2: Convert to fraction form
    694,037.31/957,774.05 = 403,718.53/x
  3. Step 3: Cross multiply
    694,037.31x = 957,774.05 × 403,718.53
  4. Step 4: Simplify right side
    694,037.31x = 386,671,126,749.28
  5. Step 5: Solve for x
    x = 386,671,126,749.28/694,037.31
  6. Step 6: Final answer
    x = 557,133.05

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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.