Home / 901,710.72-1,244,475.94-519,740.22

Finding the Fourth Proportional to 901,710.72, 1,244,475.94 and 519,740.22

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Solution

The fourth proportional to 901,710.72, 1,244,475.94 and 519,740.22 is: 717,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,710.72 : 1,244,475.94 = 519,740.22 : x
  2. Step 2: Convert to fraction form
    901,710.72/1,244,475.94 = 519,740.22/x
  3. Step 3: Cross multiply
    901,710.72x = 1,244,475.94 × 519,740.22
  4. Step 4: Simplify right side
    901,710.72x = 646,804,198,840.31
  5. Step 5: Solve for x
    x = 646,804,198,840.31/901,710.72
  6. Step 6: Final answer
    x = 717,307.87

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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.