Home / 1,123,404.30-1,685,325.15-483,706.80

Finding the Fourth Proportional to 1,123,404.30, 1,685,325.15 and 483,706.80

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Solution

The fourth proportional to 1,123,404.30, 1,685,325.15 and 483,706.80 is: 725,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,404.30 : 1,685,325.15 = 483,706.80 : x
  2. Step 2: Convert to fraction form
    1,123,404.30/1,685,325.15 = 483,706.80/x
  3. Step 3: Cross multiply
    1,123,404.30x = 1,685,325.15 × 483,706.80
  4. Step 4: Simplify right side
    1,123,404.30x = 815,203,235,266.02
  5. Step 5: Solve for x
    x = 815,203,235,266.02/1,123,404.30
  6. Step 6: Final answer
    x = 725,654.37

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Double scale
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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.