Home / 753,873.96-1,040,354.10-414,352.20

Finding the Fourth Proportional to 753,873.96, 1,040,354.10 and 414,352.20

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Solution

The fourth proportional to 753,873.96, 1,040,354.10 and 414,352.20 is: 571,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,873.96 : 1,040,354.10 = 414,352.20 : x
  2. Step 2: Convert to fraction form
    753,873.96/1,040,354.10 = 414,352.20/x
  3. Step 3: Cross multiply
    753,873.96x = 1,040,354.10 × 414,352.20
  4. Step 4: Simplify right side
    753,873.96x = 431,073,010,114.02
  5. Step 5: Solve for x
    x = 431,073,010,114.02/753,873.96
  6. Step 6: Final answer
    x = 571,810.45

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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.