Home / 1,043,285.70-1,564,928.55-866,138.70

Finding the Fourth Proportional to 1,043,285.70, 1,564,928.55 and 866,138.70

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Solution

The fourth proportional to 1,043,285.70, 1,564,928.55 and 866,138.70 is: 1,299,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,285.70 : 1,564,928.55 = 866,138.70 : x
  2. Step 2: Convert to fraction form
    1,043,285.70/1,564,928.55 = 866,138.70/x
  3. Step 3: Cross multiply
    1,043,285.70x = 1,564,928.55 × 866,138.70
  4. Step 4: Simplify right side
    1,043,285.70x = 1,355,445,179,889.89
  5. Step 5: Solve for x
    x = 1,355,445,179,889.89/1,043,285.70
  6. Step 6: Final answer
    x = 1,299,208.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.