Home / 692,016.70-1,038,025.05-634,279.90

Finding the Fourth Proportional to 692,016.70, 1,038,025.05 and 634,279.90

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Solution

The fourth proportional to 692,016.70, 1,038,025.05 and 634,279.90 is: 951,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,016.70 : 1,038,025.05 = 634,279.90 : x
  2. Step 2: Convert to fraction form
    692,016.70/1,038,025.05 = 634,279.90/x
  3. Step 3: Cross multiply
    692,016.70x = 1,038,025.05 × 634,279.90
  4. Step 4: Simplify right side
    692,016.70x = 658,398,424,911.50
  5. Step 5: Solve for x
    x = 658,398,424,911.50/692,016.70
  6. Step 6: Final answer
    x = 951,419.85

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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.