Home / 698,748.60-1,048,122.90-446,806.20

Finding the Fourth Proportional to 698,748.60, 1,048,122.90 and 446,806.20

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Solution

The fourth proportional to 698,748.60, 1,048,122.90 and 446,806.20 is: 670,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,748.60 : 1,048,122.90 = 446,806.20 : x
  2. Step 2: Convert to fraction form
    698,748.60/1,048,122.90 = 446,806.20/x
  3. Step 3: Cross multiply
    698,748.60x = 1,048,122.90 × 446,806.20
  4. Step 4: Simplify right side
    698,748.60x = 468,307,810,081.98
  5. Step 5: Solve for x
    x = 468,307,810,081.98/698,748.60
  6. Step 6: Final answer
    x = 670,209.30

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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.