Home / 930,201.70-1,395,302.55-662,512.90

Finding the Fourth Proportional to 930,201.70, 1,395,302.55 and 662,512.90

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Solution

The fourth proportional to 930,201.70, 1,395,302.55 and 662,512.90 is: 993,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,201.70 : 1,395,302.55 = 662,512.90 : x
  2. Step 2: Convert to fraction form
    930,201.70/1,395,302.55 = 662,512.90/x
  3. Step 3: Cross multiply
    930,201.70x = 1,395,302.55 × 662,512.90
  4. Step 4: Simplify right side
    930,201.70x = 924,405,938,777.90
  5. Step 5: Solve for x
    x = 924,405,938,777.90/930,201.70
  6. Step 6: Final answer
    x = 993,769.35

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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.