Home / 579,554.20-869,331.30-366,977.80

Finding the Fourth Proportional to 579,554.20, 869,331.30 and 366,977.80

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Solution

The fourth proportional to 579,554.20, 869,331.30 and 366,977.80 is: 550,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,554.20 : 869,331.30 = 366,977.80 : x
  2. Step 2: Convert to fraction form
    579,554.20/869,331.30 = 366,977.80/x
  3. Step 3: Cross multiply
    579,554.20x = 869,331.30 × 366,977.80
  4. Step 4: Simplify right side
    579,554.20x = 319,025,287,945.14
  5. Step 5: Solve for x
    x = 319,025,287,945.14/579,554.20
  6. Step 6: Final answer
    x = 550,466.70

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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.