Home / 535,028.45-738,432.90-406,392.75

Finding the Fourth Proportional to 535,028.45, 738,432.90 and 406,392.75

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Solution

The fourth proportional to 535,028.45, 738,432.90 and 406,392.75 is: 560,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,028.45 : 738,432.90 = 406,392.75 : x
  2. Step 2: Convert to fraction form
    535,028.45/738,432.90 = 406,392.75/x
  3. Step 3: Cross multiply
    535,028.45x = 738,432.90 × 406,392.75
  4. Step 4: Simplify right side
    535,028.45x = 300,093,776,921.48
  5. Step 5: Solve for x
    x = 300,093,776,921.48/535,028.45
  6. Step 6: Final answer
    x = 560,893.13

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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.