Home / 579,450.80-869,176.20-537,460.40

Finding the Fourth Proportional to 579,450.80, 869,176.20 and 537,460.40

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Solution

The fourth proportional to 579,450.80, 869,176.20 and 537,460.40 is: 806,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,450.80 : 869,176.20 = 537,460.40 : x
  2. Step 2: Convert to fraction form
    579,450.80/869,176.20 = 537,460.40/x
  3. Step 3: Cross multiply
    579,450.80x = 869,176.20 × 537,460.40
  4. Step 4: Simplify right side
    579,450.80x = 467,147,788,122.48
  5. Step 5: Solve for x
    x = 467,147,788,122.48/579,450.80
  6. Step 6: Final answer
    x = 806,190.60

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Double scale
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Similar ratio
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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.