Home / 626,658.84-865,013.85-372,010.23

Finding the Fourth Proportional to 626,658.84, 865,013.85 and 372,010.23

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Solution

The fourth proportional to 626,658.84, 865,013.85 and 372,010.23 is: 513,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,658.84 : 865,013.85 = 372,010.23 : x
  2. Step 2: Convert to fraction form
    626,658.84/865,013.85 = 372,010.23/x
  3. Step 3: Cross multiply
    626,658.84x = 865,013.85 × 372,010.23
  4. Step 4: Simplify right side
    626,658.84x = 321,794,001,291.69
  5. Step 5: Solve for x
    x = 321,794,001,291.69/626,658.84
  6. Step 6: Final answer
    x = 513,507.48

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1.5x scale

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.