Home / 1,465,280.70-2,197,921.05-1,403,072.70

Finding the Fourth Proportional to 1,465,280.70, 2,197,921.05 and 1,403,072.70

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Solution

The fourth proportional to 1,465,280.70, 2,197,921.05 and 1,403,072.70 is: 2,104,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,280.70 : 2,197,921.05 = 1,403,072.70 : x
  2. Step 2: Convert to fraction form
    1,465,280.70/2,197,921.05 = 1,403,072.70/x
  3. Step 3: Cross multiply
    1,465,280.70x = 2,197,921.05 × 1,403,072.70
  4. Step 4: Simplify right side
    1,465,280.70x = 3,083,843,022,010.33
  5. Step 5: Solve for x
    x = 3,083,843,022,010.33/1,465,280.70
  6. Step 6: Final answer
    x = 2,104,609.05

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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.