Home / 917,634.06-1,266,370.55-509,766.87

Finding the Fourth Proportional to 917,634.06, 1,266,370.55 and 509,766.87

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Solution

The fourth proportional to 917,634.06, 1,266,370.55 and 509,766.87 is: 703,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,634.06 : 1,266,370.55 = 509,766.87 : x
  2. Step 2: Convert to fraction form
    917,634.06/1,266,370.55 = 509,766.87/x
  3. Step 3: Cross multiply
    917,634.06x = 1,266,370.55 × 509,766.87
  4. Step 4: Simplify right side
    917,634.06x = 645,553,751,533.68
  5. Step 5: Solve for x
    x = 645,553,751,533.68/917,634.06
  6. Step 6: Final answer
    x = 703,498.03

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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.