Home / 528,498.73-792,719.79-186,918.49

Finding the Fourth Proportional to 528,498.73, 792,719.79 and 186,918.49

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Solution

The fourth proportional to 528,498.73, 792,719.79 and 186,918.49 is: 280,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,498.73 : 792,719.79 = 186,918.49 : x
  2. Step 2: Convert to fraction form
    528,498.73/792,719.79 = 186,918.49/x
  3. Step 3: Cross multiply
    528,498.73x = 792,719.79 × 186,918.49
  4. Step 4: Simplify right side
    528,498.73x = 148,173,986,139.92
  5. Step 5: Solve for x
    x = 148,173,986,139.92/528,498.73
  6. Step 6: Final answer
    x = 280,367.72

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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.