Home / 753,451.99-1,039,774.80-409,294.39

Finding the Fourth Proportional to 753,451.99, 1,039,774.80 and 409,294.39

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Solution

The fourth proportional to 753,451.99, 1,039,774.80 and 409,294.39 is: 564,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,451.99 : 1,039,774.80 = 409,294.39 : x
  2. Step 2: Convert to fraction form
    753,451.99/1,039,774.80 = 409,294.39/x
  3. Step 3: Cross multiply
    753,451.99x = 1,039,774.80 × 409,294.39
  4. Step 4: Simplify right side
    753,451.99x = 425,573,992,503.37
  5. Step 5: Solve for x
    x = 425,573,992,503.37/753,451.99
  6. Step 6: Final answer
    x = 564,832.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.