Home / 1,182,921.40-1,771,271.70-865,660.60

Finding the Fourth Proportional to 1,182,921.40, 1,771,271.70 and 865,660.60

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Solution

The fourth proportional to 1,182,921.40, 1,771,271.70 and 865,660.60 is: 1,296,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,921.40 : 1,771,271.70 = 865,660.60 : x
  2. Step 2: Convert to fraction form
    1,182,921.40/1,771,271.70 = 865,660.60/x
  3. Step 3: Cross multiply
    1,182,921.40x = 1,771,271.70 × 865,660.60
  4. Step 4: Simplify right side
    1,182,921.40x = 1,533,320,122,585.02
  5. Step 5: Solve for x
    x = 1,533,320,122,585.02/1,182,921.40
  6. Step 6: Final answer
    x = 1,296,214.71

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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.