Home / 626,660.84-865,016.61-372,012.23

Finding the Fourth Proportional to 626,660.84, 865,016.61 and 372,012.23

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Solution

The fourth proportional to 626,660.84, 865,016.61 and 372,012.23 is: 513,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,660.84 : 865,016.61 = 372,012.23 : x
  2. Step 2: Convert to fraction form
    626,660.84/865,016.61 = 372,012.23/x
  3. Step 3: Cross multiply
    626,660.84x = 865,016.61 × 372,012.23
  4. Step 4: Simplify right side
    626,660.84x = 321,796,758,073.14
  5. Step 5: Solve for x
    x = 321,796,758,073.14/626,660.84
  6. Step 6: Final answer
    x = 513,510.24

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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.