Home / 1,591,439.84-2,196,214.92-866,308.40

Finding the Fourth Proportional to 1,591,439.84, 2,196,214.92 and 866,308.40

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Solution

The fourth proportional to 1,591,439.84, 2,196,214.92 and 866,308.40 is: 1,195,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,439.84 : 2,196,214.92 = 866,308.40 : x
  2. Step 2: Convert to fraction form
    1,591,439.84/2,196,214.92 = 866,308.40/x
  3. Step 3: Cross multiply
    1,591,439.84x = 2,196,214.92 × 866,308.40
  4. Step 4: Simplify right side
    1,591,439.84x = 1,902,599,433,401.33
  5. Step 5: Solve for x
    x = 1,902,599,433,401.33/1,591,439.84
  6. Step 6: Final answer
    x = 1,195,520.80

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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.