Home / 657,632.44-986,477.37-208,386.42

Finding the Fourth Proportional to 657,632.44, 986,477.37 and 208,386.42

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Solution

The fourth proportional to 657,632.44, 986,477.37 and 208,386.42 is: 312,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,632.44 : 986,477.37 = 208,386.42 : x
  2. Step 2: Convert to fraction form
    657,632.44/986,477.37 = 208,386.42/x
  3. Step 3: Cross multiply
    657,632.44x = 986,477.37 × 208,386.42
  4. Step 4: Simplify right side
    657,632.44x = 205,568,487,545.32
  5. Step 5: Solve for x
    x = 205,568,487,545.32/657,632.44
  6. Step 6: Final answer
    x = 312,588.73

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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.