Home / 1,207,057.52-1,665,767.32-663,227.28

Finding the Fourth Proportional to 1,207,057.52, 1,665,767.32 and 663,227.28

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Solution

The fourth proportional to 1,207,057.52, 1,665,767.32 and 663,227.28 is: 915,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,057.52 : 1,665,767.32 = 663,227.28 : x
  2. Step 2: Convert to fraction form
    1,207,057.52/1,665,767.32 = 663,227.28/x
  3. Step 3: Cross multiply
    1,207,057.52x = 1,665,767.32 × 663,227.28
  4. Step 4: Simplify right side
    1,207,057.52x = 1,104,782,328,756.49
  5. Step 5: Solve for x
    x = 1,104,782,328,756.49/1,207,057.52
  6. Step 6: Final answer
    x = 915,269.00

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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.