Home / 535,118.14-738,486.10-320,216.84

Finding the Fourth Proportional to 535,118.14, 738,486.10 and 320,216.84

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Solution

The fourth proportional to 535,118.14, 738,486.10 and 320,216.84 is: 441,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,118.14 : 738,486.10 = 320,216.84 : x
  2. Step 2: Convert to fraction form
    535,118.14/738,486.10 = 320,216.84/x
  3. Step 3: Cross multiply
    535,118.14x = 738,486.10 × 320,216.84
  4. Step 4: Simplify right side
    535,118.14x = 236,475,684,803.09
  5. Step 5: Solve for x
    x = 236,475,684,803.09/535,118.14
  6. Step 6: Final answer
    x = 441,913.04

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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.