Home / 856,389.65-1,181,856.13-474,391.82

Finding the Fourth Proportional to 856,389.65, 1,181,856.13 and 474,391.82

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Solution

The fourth proportional to 856,389.65, 1,181,856.13 and 474,391.82 is: 654,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,389.65 : 1,181,856.13 = 474,391.82 : x
  2. Step 2: Convert to fraction form
    856,389.65/1,181,856.13 = 474,391.82/x
  3. Step 3: Cross multiply
    856,389.65x = 1,181,856.13 × 474,391.82
  4. Step 4: Simplify right side
    856,389.65x = 560,662,882,257.52
  5. Step 5: Solve for x
    x = 560,662,882,257.52/856,389.65
  6. Step 6: Final answer
    x = 654,682.00

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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.