Home / 753,647.10-1,040,011.29-431,346.24

Finding the Fourth Proportional to 753,647.10, 1,040,011.29 and 431,346.24

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Solution

The fourth proportional to 753,647.10, 1,040,011.29 and 431,346.24 is: 595,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,647.10 : 1,040,011.29 = 431,346.24 : x
  2. Step 2: Convert to fraction form
    753,647.10/1,040,011.29 = 431,346.24/x
  3. Step 3: Cross multiply
    753,647.10x = 1,040,011.29 × 431,346.24
  4. Step 4: Simplify right side
    753,647.10x = 448,604,959,499.05
  5. Step 5: Solve for x
    x = 448,604,959,499.05/753,647.10
  6. Step 6: Final answer
    x = 595,245.39

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Double scale
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1.5x scale

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.