Home / 1,112,562.92-1,666,685.05-819,911.25

Finding the Fourth Proportional to 1,112,562.92, 1,666,685.05 and 819,911.25

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Solution

The fourth proportional to 1,112,562.92, 1,666,685.05 and 819,911.25 is: 1,228,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,562.92 : 1,666,685.05 = 819,911.25 : x
  2. Step 2: Convert to fraction form
    1,112,562.92/1,666,685.05 = 819,911.25/x
  3. Step 3: Cross multiply
    1,112,562.92x = 1,666,685.05 × 819,911.25
  4. Step 4: Simplify right side
    1,112,562.92x = 1,366,533,820,652.03
  5. Step 5: Solve for x
    x = 1,366,533,820,652.03/1,112,562.92
  6. Step 6: Final answer
    x = 1,228,275.54

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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.