Home / 1,317,729.96-1,818,468.92-714,117.96

Finding the Fourth Proportional to 1,317,729.96, 1,818,468.92 and 714,117.96

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Solution

The fourth proportional to 1,317,729.96, 1,818,468.92 and 714,117.96 is: 985,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,729.96 : 1,818,468.92 = 714,117.96 : x
  2. Step 2: Convert to fraction form
    1,317,729.96/1,818,468.92 = 714,117.96/x
  3. Step 3: Cross multiply
    1,317,729.96x = 1,818,468.92 × 714,117.96
  4. Step 4: Simplify right side
    1,317,729.96x = 1,298,601,315,473.80
  5. Step 5: Solve for x
    x = 1,298,601,315,473.80/1,317,729.96
  6. Step 6: Final answer
    x = 985,483.64

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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.