Home / 917,665.66-1,266,387.28-504,211.12

Finding the Fourth Proportional to 917,665.66, 1,266,387.28 and 504,211.12

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Solution

The fourth proportional to 917,665.66, 1,266,387.28 and 504,211.12 is: 695,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,665.66 : 1,266,387.28 = 504,211.12 : x
  2. Step 2: Convert to fraction form
    917,665.66/1,266,387.28 = 504,211.12/x
  3. Step 3: Cross multiply
    917,665.66x = 1,266,387.28 × 504,211.12
  4. Step 4: Simplify right side
    917,665.66x = 638,526,548,802.55
  5. Step 5: Solve for x
    x = 638,526,548,802.55/917,665.66
  6. Step 6: Final answer
    x = 695,816.11

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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.