Home / 583,246.20-874,869.30-209,220.60

Finding the Fourth Proportional to 583,246.20, 874,869.30 and 209,220.60

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Solution

The fourth proportional to 583,246.20, 874,869.30 and 209,220.60 is: 313,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,246.20 : 874,869.30 = 209,220.60 : x
  2. Step 2: Convert to fraction form
    583,246.20/874,869.30 = 209,220.60/x
  3. Step 3: Cross multiply
    583,246.20x = 874,869.30 × 209,220.60
  4. Step 4: Simplify right side
    583,246.20x = 183,040,679,867.58
  5. Step 5: Solve for x
    x = 183,040,679,867.58/583,246.20
  6. Step 6: Final answer
    x = 313,830.90

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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.