Home / 831,702.70-1,247,554.05-621,750.70

Finding the Fourth Proportional to 831,702.70, 1,247,554.05 and 621,750.70

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Solution

The fourth proportional to 831,702.70, 1,247,554.05 and 621,750.70 is: 932,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,702.70 : 1,247,554.05 = 621,750.70 : x
  2. Step 2: Convert to fraction form
    831,702.70/1,247,554.05 = 621,750.70/x
  3. Step 3: Cross multiply
    831,702.70x = 1,247,554.05 × 621,750.70
  4. Step 4: Simplify right side
    831,702.70x = 775,667,603,875.34
  5. Step 5: Solve for x
    x = 775,667,603,875.34/831,702.70
  6. Step 6: Final answer
    x = 932,626.05

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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.