Home / 671,936.51-1,007,902.95-553,357.37

Finding the Fourth Proportional to 671,936.51, 1,007,902.95 and 553,357.37

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Solution

The fourth proportional to 671,936.51, 1,007,902.95 and 553,357.37 is: 830,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,936.51 : 1,007,902.95 = 553,357.37 : x
  2. Step 2: Convert to fraction form
    671,936.51/1,007,902.95 = 553,357.37/x
  3. Step 3: Cross multiply
    671,936.51x = 1,007,902.95 × 553,357.37
  4. Step 4: Simplify right side
    671,936.51x = 557,730,526,071.91
  5. Step 5: Solve for x
    x = 557,730,526,071.91/671,936.51
  6. Step 6: Final answer
    x = 830,034.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.