Home / 1,232,513.66-1,700,857.15-688,743.11

Finding the Fourth Proportional to 1,232,513.66, 1,700,857.15 and 688,743.11

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Solution

The fourth proportional to 1,232,513.66, 1,700,857.15 and 688,743.11 is: 950,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,513.66 : 1,700,857.15 = 688,743.11 : x
  2. Step 2: Convert to fraction form
    1,232,513.66/1,700,857.15 = 688,743.11/x
  3. Step 3: Cross multiply
    1,232,513.66x = 1,700,857.15 × 688,743.11
  4. Step 4: Simplify right side
    1,232,513.66x = 1,171,453,632,930.59
  5. Step 5: Solve for x
    x = 1,171,453,632,930.59/1,232,513.66
  6. Step 6: Final answer
    x = 950,458.95

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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.