Home / 993,372.80-1,489,514.88-393,726.56

Finding the Fourth Proportional to 993,372.80, 1,489,514.88 and 393,726.56

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Solution

The fourth proportional to 993,372.80, 1,489,514.88 and 393,726.56 is: 590,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,372.80 : 1,489,514.88 = 393,726.56 : x
  2. Step 2: Convert to fraction form
    993,372.80/1,489,514.88 = 393,726.56/x
  3. Step 3: Cross multiply
    993,372.80x = 1,489,514.88 × 393,726.56
  4. Step 4: Simplify right side
    993,372.80x = 586,461,569,771.21
  5. Step 5: Solve for x
    x = 586,461,569,771.21/993,372.80
  6. Step 6: Final answer
    x = 590,374.10

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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.