Home / 626,517.60-939,776.40-183,285.60

Finding the Fourth Proportional to 626,517.60, 939,776.40 and 183,285.60

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Solution

The fourth proportional to 626,517.60, 939,776.40 and 183,285.60 is: 274,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,517.60 : 939,776.40 = 183,285.60 : x
  2. Step 2: Convert to fraction form
    626,517.60/939,776.40 = 183,285.60/x
  3. Step 3: Cross multiply
    626,517.60x = 939,776.40 × 183,285.60
  4. Step 4: Simplify right side
    626,517.60x = 172,247,481,339.84
  5. Step 5: Solve for x
    x = 172,247,481,339.84/626,517.60
  6. Step 6: Final answer
    x = 274,928.40

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Half scale
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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.