Home / 1,317,724.96-1,818,462-714,112.96

Finding the Fourth Proportional to 1,317,724.96, 1,818,462 and 714,112.96

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Solution

The fourth proportional to 1,317,724.96, 1,818,462 and 714,112.96 is: 985,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,724.96 : 1,818,462 = 714,112.96 : x
  2. Step 2: Convert to fraction form
    1,317,724.96/1,818,462 = 714,112.96/x
  3. Step 3: Cross multiply
    1,317,724.96x = 1,818,462 × 714,112.96
  4. Step 4: Simplify right side
    1,317,724.96x = 1,298,587,281,467.52
  5. Step 5: Solve for x
    x = 1,298,587,281,467.52/1,317,724.96
  6. Step 6: Final answer
    x = 985,476.73

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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.