Home / 1,302,864-1,797,742.32-819,086.40

Finding the Fourth Proportional to 1,302,864, 1,797,742.32 and 819,086.40

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Solution

The fourth proportional to 1,302,864, 1,797,742.32 and 819,086.40 is: 1,130,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,864 : 1,797,742.32 = 819,086.40 : x
  2. Step 2: Convert to fraction form
    1,302,864/1,797,742.32 = 819,086.40/x
  3. Step 3: Cross multiply
    1,302,864x = 1,797,742.32 × 819,086.40
  4. Step 4: Simplify right side
    1,302,864x = 1,472,506,285,016.45
  5. Step 5: Solve for x
    x = 1,472,506,285,016.45/1,302,864
  6. Step 6: Final answer
    x = 1,130,207.21

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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.