Home / 621,743.69-858,037.79-367,089.41

Finding the Fourth Proportional to 621,743.69, 858,037.79 and 367,089.41

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Solution

The fourth proportional to 621,743.69, 858,037.79 and 367,089.41 is: 506,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,743.69 : 858,037.79 = 367,089.41 : x
  2. Step 2: Convert to fraction form
    621,743.69/858,037.79 = 367,089.41/x
  3. Step 3: Cross multiply
    621,743.69x = 858,037.79 × 367,089.41
  4. Step 4: Simplify right side
    621,743.69x = 314,976,586,088.80
  5. Step 5: Solve for x
    x = 314,976,586,088.80/621,743.69
  6. Step 6: Final answer
    x = 506,601.98

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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.