Home / 917,798.14-1,266,553.83-515,381.50

Finding the Fourth Proportional to 917,798.14, 1,266,553.83 and 515,381.50

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Solution

The fourth proportional to 917,798.14, 1,266,553.83 and 515,381.50 is: 711,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,798.14 : 1,266,553.83 = 515,381.50 : x
  2. Step 2: Convert to fraction form
    917,798.14/1,266,553.83 = 515,381.50/x
  3. Step 3: Cross multiply
    917,798.14x = 1,266,553.83 × 515,381.50
  4. Step 4: Simplify right side
    917,798.14x = 652,758,412,736.15
  5. Step 5: Solve for x
    x = 652,758,412,736.15/917,798.14
  6. Step 6: Final answer
    x = 711,222.20

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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.