Home / 856,528.20-1,182,018.42-474,561

Finding the Fourth Proportional to 856,528.20, 1,182,018.42 and 474,561

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Solution

The fourth proportional to 856,528.20, 1,182,018.42 and 474,561 is: 654,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,528.20 : 1,182,018.42 = 474,561 : x
  2. Step 2: Convert to fraction form
    856,528.20/1,182,018.42 = 474,561/x
  3. Step 3: Cross multiply
    856,528.20x = 1,182,018.42 × 474,561
  4. Step 4: Simplify right side
    856,528.20x = 560,939,843,413.62
  5. Step 5: Solve for x
    x = 560,939,843,413.62/856,528.20
  6. Step 6: Final answer
    x = 654,899.45

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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.