Home / 1,035,279.40-1,553,793.90-404,645.80

Finding the Fourth Proportional to 1,035,279.40, 1,553,793.90 and 404,645.80

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Solution

The fourth proportional to 1,035,279.40, 1,553,793.90 and 404,645.80 is: 607,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,279.40 : 1,553,793.90 = 404,645.80 : x
  2. Step 2: Convert to fraction form
    1,035,279.40/1,553,793.90 = 404,645.80/x
  3. Step 3: Cross multiply
    1,035,279.40x = 1,553,793.90 × 404,645.80
  4. Step 4: Simplify right side
    1,035,279.40x = 628,736,175,700.62
  5. Step 5: Solve for x
    x = 628,736,175,700.62/1,035,279.40
  6. Step 6: Final answer
    x = 607,310.62

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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.