Home / 753,811.96-1,040,248.74-414,272.92

Finding the Fourth Proportional to 753,811.96, 1,040,248.74 and 414,272.92

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Solution

The fourth proportional to 753,811.96, 1,040,248.74 and 414,272.92 is: 571,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,811.96 : 1,040,248.74 = 414,272.92 : x
  2. Step 2: Convert to fraction form
    753,811.96/1,040,248.74 = 414,272.92/x
  3. Step 3: Cross multiply
    753,811.96x = 1,040,248.74 × 414,272.92
  4. Step 4: Simplify right side
    753,811.96x = 430,946,883,046.12
  5. Step 5: Solve for x
    x = 430,946,883,046.12/753,811.96
  6. Step 6: Final answer
    x = 571,690.16

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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.