Home / 753,852.80-1,040,304.79-414,313.76

Finding the Fourth Proportional to 753,852.80, 1,040,304.79 and 414,313.76

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Solution

The fourth proportional to 753,852.80, 1,040,304.79 and 414,313.76 is: 571,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,852.80 : 1,040,304.79 = 414,313.76 : x
  2. Step 2: Convert to fraction form
    753,852.80/1,040,304.79 = 414,313.76/x
  3. Step 3: Cross multiply
    753,852.80x = 1,040,304.79 × 414,313.76
  4. Step 4: Simplify right side
    753,852.80x = 431,012,589,090.91
  5. Step 5: Solve for x
    x = 431,012,589,090.91/753,852.80
  6. Step 6: Final answer
    x = 571,746.35

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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.