Home / 528,411.75-792,151.06-404,306.79

Finding the Fourth Proportional to 528,411.75, 792,151.06 and 404,306.79

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Solution

The fourth proportional to 528,411.75, 792,151.06 and 404,306.79 is: 606,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,411.75 : 792,151.06 = 404,306.79 : x
  2. Step 2: Convert to fraction form
    528,411.75/792,151.06 = 404,306.79/x
  3. Step 3: Cross multiply
    528,411.75x = 792,151.06 × 404,306.79
  4. Step 4: Simplify right side
    528,411.75x = 320,272,052,263.70
  5. Step 5: Solve for x
    x = 320,272,052,263.70/528,411.75
  6. Step 6: Final answer
    x = 606,103.20

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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.