Home / 753,858.30-1,040,312.37-414,319.26

Finding the Fourth Proportional to 753,858.30, 1,040,312.37 and 414,319.26

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Solution

The fourth proportional to 753,858.30, 1,040,312.37 and 414,319.26 is: 571,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,858.30 : 1,040,312.37 = 414,319.26 : x
  2. Step 2: Convert to fraction form
    753,858.30/1,040,312.37 = 414,319.26/x
  3. Step 3: Cross multiply
    753,858.30x = 1,040,312.37 × 414,319.26
  4. Step 4: Simplify right side
    753,858.30x = 431,021,451,307.25
  5. Step 5: Solve for x
    x = 431,021,451,307.25/753,858.30
  6. Step 6: Final answer
    x = 571,753.94

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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.